72956104039 has 8 divisors (see below), whose sum is σ = 89792128160. Its totient is φ = 57723510816.

The previous prime is 72956104037. The next prime is 72956104043. The reversal of 72956104039 is 93040165927.

It is a happy number.

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 72956104039 - 2¹ = 72956104037 is a prime.

It is a super-2 number, since 2×72956104039² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72956104039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72956104033) 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, 400857624 + ... + 400857805.

It is an arithmetic number, because the mean of its divisors is an integer number (11224016020).

Almost surely, 2^72956104039 is an apocalyptic number.

72956104039 is a deficient number, since it is larger than the sum of its proper divisors (16836024121).

72956104039 is a wasteful number, since it uses less digits than its factorization.

72956104039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801715449.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 72956104039 in words is "seventy-two billion, nine hundred fifty-six million, one hundred four thousand, thirty-nine".