72402504754404 has 96 divisors (see below), whose sum is σ = 184441697193600. Its totient is φ = 21922967900160.

The previous prime is 72402504754397. The next prime is 72402504754409. The reversal of 72402504754404 is 40445740520427.

It is a happy number.

It is a super-2 number, since 2×72402504754404² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72402504754409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 894601812 + ... + 894682740.

It is an arithmetic number, because the mean of its divisors is an integer number (1921267679100).

Almost surely, 2^{72402504754404} is an apocalyptic number.

It is an amenable number.

72402504754404 is an abundant number, since it is smaller than the sum of its proper divisors (112039192439196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72402504754404 is a wasteful number, since it uses less digits than its factorization.

72402504754404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86173 (or 86171 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 48.

The spelling of 72402504754404 in words is "seventy-two trillion, four hundred two billion, five hundred four million, seven hundred fifty-four thousand, four hundred four".