72656840790753 has 8 divisors (see below), whose sum is σ = 96958516835616. Its totient is φ = 48396529303200.

The previous prime is 72656840790749. The next prime is 72656840790841. The reversal of 72656840790753 is 35709704865627.

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

It is not a de Polignac number, because 72656840790753 - 2² = 72656840790749 is a prime.

It is a super-3 number, since 3×72656840790753³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (72656840798753) 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, 10341135228 + ... + 10341142253.

It is an arithmetic number, because the mean of its divisors is an integer number (12119814604452).

Almost surely, 2^{72656840790753} is an apocalyptic number.

It is an amenable number.

72656840790753 is a deficient number, since it is larger than the sum of its proper divisors (24301676044863).

72656840790753 is a wasteful number, since it uses less digits than its factorization.

72656840790753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20682278655.

The product of its (nonzero) digits is 533433600, while the sum is 69.

The spelling of 72656840790753 in words is "seventy-two trillion, six hundred fifty-six billion, eight hundred forty million, seven hundred ninety thousand, seven hundred fifty-three".