72652435836 has 24 divisors (see below), whose sum is σ = 169527181824. Its totient is φ = 24216788400.

The previous prime is 72652435787. The next prime is 72652435841. The reversal of 72652435836 is 63853425627.

It is a congruent number.

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, 526261 + ... + 649811.

It is an arithmetic number, because the mean of its divisors is an integer number (7063632576).

Almost surely, 2^72652435836 is an apocalyptic number.

It is an amenable number.

72652435836 is an abundant number, since it is smaller than the sum of its proper divisors (96874745988).

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

72652435836 is a wasteful number, since it uses less digits than its factorization.

72652435836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172561 (or 172559 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 51.

The spelling of 72652435836 in words is "seventy-two billion, six hundred fifty-two million, four hundred thirty-five thousand, eight hundred thirty-six".