72956757 has 8 divisors (see below), whose sum is σ = 97315200. Its totient is φ = 48618080.

The previous prime is 72956731. The next prime is 72956761. The reversal of 72956757 is 75765927.

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

It is a cyclic number.

It is not a de Polignac number, because 72956757 - 2⁶ = 72956693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72956717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11332 + ... + 16562.

It is an arithmetic number, because the mean of its divisors is an integer number (12164400).

Almost surely, 2^72956757 is an apocalyptic number.

It is an amenable number.

72956757 is a deficient number, since it is larger than the sum of its proper divisors (24358443).

72956757 is a wasteful number, since it uses less digits than its factorization.

72956757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9883.

The product of its digits is 926100, while the sum is 48.

The square root of 72956757 is about 8541.4727652788. The cubic root of 72956757 is about 417.8513795183.

The spelling of 72956757 in words is "seventy-two million, nine hundred fifty-six thousand, seven hundred fifty-seven".