72807054 has 16 divisors (see below), whose sum is σ = 148362192. Its totient is φ = 23811008.

The previous prime is 72807043. The next prime is 72807067. The reversal of 72807054 is 45070827.

It is a super-2 number, since 2×72807054² = 10601734224317832, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114159 + ... + 114794.

It is an arithmetic number, because the mean of its divisors is an integer number (9272637).

Almost surely, 2^72807054 is an apocalyptic number.

72807054 is an abundant number, since it is smaller than the sum of its proper divisors (75555138).

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

72807054 is a wasteful number, since it uses less digits than its factorization.

72807054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229011.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 72807054 is about 8532.7049638435. The cubic root of 72807054 is about 417.5653816116.

The spelling of 72807054 in words is "seventy-two million, eight hundred seven thousand, fifty-four".