72285821934 has 32 divisors (see below), whose sum is σ = 145201115904. Its totient is φ = 23990541120.

The previous prime is 72285821899. The next prime is 72285821953. The reversal of 72285821934 is 43912858227.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636479 + ... + 1680069.

It is an arithmetic number, because the mean of its divisors is an integer number (4537534872).

Almost surely, 2^72285821934 is an apocalyptic number.

72285821934 is an abundant number, since it is smaller than the sum of its proper divisors (72915293970).

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

72285821934 is a wasteful number, since it uses less digits than its factorization.

72285821934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44792.

The product of its digits is 1935360, while the sum is 51.

The spelling of 72285821934 in words is "seventy-two billion, two hundred eighty-five million, eight hundred twenty-one thousand, nine hundred thirty-four".