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72923625 = 3353173141
BaseRepresentation
bin1000101100010…
…11100111101001
312002012220102000
410112023213221
5122132024000
611123001213
71543561215
oct426134751
9162186360
1072923625
1138188665
1220509209
1312153498
149983945
156607000
hex458b9e9

72923625 has 128 divisors (see below), whose sum is σ = 150958080. Its totient is φ = 34560000.

The previous prime is 72923623. The next prime is 72923629. The reversal of 72923625 is 52632927.

72923625 is a `hidden beast` number, since 7 + 2 + 9 + 23 + 625 = 666.

It is not a de Polignac number, because 72923625 - 21 = 72923623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72923625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72923621) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1778605 + ... + 1778645.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 272923625 is an apocalyptic number.

72923625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72923625 is an abundant number, since it is smaller than the sum of its proper divisors (78034455).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72923625 is a wasteful number, since it uses less digits than its factorization.

72923625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 97 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 72923625 is about 8539.5330668603. The cubic root of 72923625 is about 417.7881167093.

The spelling of 72923625 in words is "seventy-two million, nine hundred twenty-three thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 17 25 27 31 41 45 51 75 85 93 123 125 135 153 155 205 225 255 279 369 375 425 459 465 527 615 675 697 765 775 837 1025 1107 1125 1271 1275 1395 1581 1845 2091 2125 2295 2325 2635 3075 3375 3485 3813 3825 3875 4185 4743 5125 5535 6273 6355 6375 6975 7905 9225 10455 11439 11475 11625 13175 14229 15375 17425 18819 19065 19125 20925 21607 23715 27675 31365 31775 34317 34875 39525 46125 52275 57195 57375 64821 65875 71145 87125 94095 95325 104625 108035 118575 138375 156825 158875 171585 194463 197625 261375 285975 324105 355725 470475 476625 540175 583389 592875 784125 857925 972315 1429875 1620525 1778625 2352375 2700875 2916945 4289625 4861575 8102625 14584725 24307875 72923625