72956258 has 8 divisors (see below), whose sum is σ = 110270160. Its totient is φ = 36199540.

The previous prime is 72956227. The next prime is 72956291. The reversal of 72956258 is 85265927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138968 + ... + 139491.

It is an arithmetic number, because the mean of its divisors is an integer number (13783770).

Almost surely, 2^72956258 is an apocalyptic number.

72956258 is a deficient number, since it is larger than the sum of its proper divisors (37313902).

72956258 is a wasteful number, since it uses less digits than its factorization.

72956258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278592.

The product of its digits is 302400, while the sum is 44.

The square root of 72956258 is about 8541.4435548097. The cubic root of 72956258 is about 417.8504268612.

The spelling of 72956258 in words is "seventy-two million, nine hundred fifty-six thousand, two hundred fifty-eight".