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72795372 = 22313466637
BaseRepresentation
bin1000101011011…
…00010011101100
312001222101110220
410111230103230
5122113422442
611120131340
71542515256
oct425542354
9161871426
1072795372
1138100271
1220466b50
1312109cb0
14994ccd6
1565cdeec
hex456c4ec

72795372 has 24 divisors (see below), whose sum is σ = 182922096. Its totient is φ = 22398528.

The previous prime is 72795367. The next prime is 72795397. The reversal of 72795372 is 27359727.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233163 + ... + 233474.

It is an arithmetic number, because the mean of its divisors is an integer number (7621754).

Almost surely, 272795372 is an apocalyptic number.

It is an amenable number.

72795372 is an abundant number, since it is smaller than the sum of its proper divisors (110126724).

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

72795372 is a wasteful number, since it uses less digits than its factorization.

72795372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466657 (or 466655 counting only the distinct ones).

The product of its digits is 185220, while the sum is 42.

The square root of 72795372 is about 8532.0203937872. The cubic root of 72795372 is about 417.5430474217.

The spelling of 72795372 in words is "seventy-two million, seven hundred ninety-five thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 466637 933274 1399911 1866548 2799822 5599644 6066281 12132562 18198843 24265124 36397686 72795372