72373856890404 has 24 divisors (see below), whose sum is σ = 168889623110208. Its totient is φ = 24122148911200.

The previous prime is 72373856890367. The next prime is 72373856890453. The reversal of 72373856890404 is 40409865837327.

It is a super-2 number, since 2×72373856890404² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308634447 + ... + 308868854.

It is an arithmetic number, because the mean of its divisors is an integer number (7037067629592).

Almost surely, 2^{72373856890404} is an apocalyptic number.

It is an amenable number.

72373856890404 is an abundant number, since it is smaller than the sum of its proper divisors (96515766219804).

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

72373856890404 is a wasteful number, since it uses less digits than its factorization.

72373856890404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617513075 (or 617513073 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 66.

The spelling of 72373856890404 in words is "seventy-two trillion, three hundred seventy-three billion, eight hundred fifty-six million, eight hundred ninety thousand, four hundred four".