72425777547426 has 32 divisors (see below), whose sum is σ = 145894945996800. Its totient is φ = 23968030445520.

The previous prime is 72425777547419. The next prime is 72425777547481. The reversal of 72425777547426 is 62474577752427.

It is a happy 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, 114174391 + ... + 114806981.

It is an arithmetic number, because the mean of its divisors is an integer number (4559217062400).

Almost surely, 2^{72425777547426} is an apocalyptic number.

72425777547426 is an abundant number, since it is smaller than the sum of its proper divisors (73469168449374).

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

72425777547426 is a wasteful number, since it uses less digits than its factorization.

72425777547426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770014.

The product of its digits is 1290777600, while the sum is 69.

The spelling of 72425777547426 in words is "seventy-two trillion, four hundred twenty-five billion, seven hundred seventy-seven million, five hundred forty-seven thousand, four hundred twenty-six".