72604496454 has 64 divisors (see below), whose sum is σ = 172769587200. Its totient is φ = 19901202048.

The previous prime is 72604496449. The next prime is 72604496477. The reversal of 72604496454 is 45469440627.

It is a junction number, because it is equal to n+sod(n) for n = 72604496397 and 72604496406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1387 + ... + 381065.

It is an arithmetic number, because the mean of its divisors is an integer number (2699524800).

Almost surely, 2^72604496454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72604496454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86384793600).

72604496454 is an abundant number, since it is smaller than the sum of its proper divisors (100165090746).

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

72604496454 is a wasteful number, since it uses less digits than its factorization.

72604496454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379877.

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 72604496454 in words is "seventy-two billion, six hundred four million, four hundred ninety-six thousand, four hundred fifty-four".