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72632625 = 3531347317
BaseRepresentation
bin1000101010001…
…00100100110001
312001200010020020
410111010210301
5122043221000
611112434053
71541236632
oct425044461
9161603206
1072632625
1137aa9a6a
12203a8929
1312080bb0
149909889
15659aba0
hex4544931

72632625 has 64 divisors (see below), whose sum is σ = 133346304. Its totient is φ = 34886400.

The previous prime is 72632621. The next prime is 72632627. The reversal of 72632625 is 52623627.

It is a happy number.

It is not a de Polignac number, because 72632625 - 22 = 72632621 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72632621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 228967 + ... + 229283.

It is an arithmetic number, because the mean of its divisors is an integer number (2083536).

Almost surely, 272632625 is an apocalyptic number.

72632625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72632625 is a deficient number, since it is larger than the sum of its proper divisors (60713679).

72632625 is a wasteful number, since it uses less digits than its factorization.

72632625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 385 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 72632625 is about 8522.4776327075. The cubic root of 72632625 is about 417.2316513331.

The spelling of 72632625 in words is "seventy-two million, six hundred thirty-two thousand, six hundred twenty-five".

Divisors: 1 3 5 13 15 25 39 47 65 75 125 141 195 235 317 325 375 611 705 951 975 1175 1585 1625 1833 3055 3525 4121 4755 4875 5875 7925 9165 12363 14899 15275 17625 20605 23775 39625 44697 45825 61815 74495 76375 103025 118875 193687 223485 229125 309075 372475 515125 581061 968435 1117425 1545375 1862375 2905305 4842175 5587125 14526525 24210875 72632625