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73269072 = 2432895717
BaseRepresentation
bin1000101110111…
…11111101010000
312002212110021100
410113133331100
5122224102242
611134224400
71546530312
oct427377520
9162773240
1073269072
11383a4158
1220655100
13122447a6
149a337b2
15667454c
hex45dff50

73269072 has 60 divisors (see below), whose sum is σ = 207391860. Its totient is φ = 24144384.

The previous prime is 73269043. The next prime is 73269101. The reversal of 73269072 is 27096237.

It is an interprime number because it is at equal distance from previous prime (73269043) and next prime (73269101).

It can be written as a sum of positive squares in 2 ways, for example, as 27625536 + 45643536 = 5256^2 + 6756^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9958 + ... + 15674.

It is an arithmetic number, because the mean of its divisors is an integer number (3456531).

Almost surely, 273269072 is an apocalyptic number.

73269072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73269072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103695930).

73269072 is an abundant number, since it is smaller than the sum of its proper divisors (134122788).

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

73269072 is a wasteful number, since it uses less digits than its factorization.

73269072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820 (or 5811 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 73269072 is about 8559.7355099325. The cubic root of 73269072 is about 418.4467800585.

The spelling of 73269072 in words is "seventy-three million, two hundred sixty-nine thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 89 144 178 267 356 534 712 801 1068 1424 1602 2136 3204 4272 5717 6408 11434 12816 17151 22868 34302 45736 51453 68604 91472 102906 137208 205812 274416 411624 508813 823248 1017626 1526439 2035252 3052878 4070504 4579317 6105756 8141008 9158634 12211512 18317268 24423024 36634536 73269072