72955575605 has 16 divisors (see below), whose sum is σ = 95598188928. Its totient is φ = 53007096000.

The previous prime is 72955575593. The next prime is 72955575613. The reversal of 72955575605 is 50657555927.

It is not a de Polignac number, because 72955575605 - 2⁶ = 72955575541 is a prime.

It is a super-2 number, since 2×72955575605² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586586 + ... + 699995.

It is an arithmetic number, because the mean of its divisors is an integer number (5974886808).

Almost surely, 2^72955575605 is an apocalyptic number.

It is an amenable number.

72955575605 is a deficient number, since it is larger than the sum of its proper divisors (22642613323).

72955575605 is a wasteful number, since it uses less digits than its factorization.

72955575605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287628.

The product of its (nonzero) digits is 16537500, while the sum is 56.

The spelling of 72955575605 in words is "seventy-two billion, nine hundred fifty-five million, five hundred seventy-five thousand, six hundred five".