72766520632 has 32 divisors (see below), whose sum is σ = 147801855600. Its totient is φ = 33584539872.

The previous prime is 72766520609. The next prime is 72766520693. The reversal of 72766520632 is 23602566727.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052478 + ... + 2087629.

Almost surely, 2^72766520632 is an apocalyptic number.

It is an amenable number.

72766520632 is an abundant number, since it is smaller than the sum of its proper divisors (75035334968).

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

72766520632 is a wasteful number, since it uses less digits than its factorization.

72766520632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140152 (or 4140122 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 72766520632 in words is "seventy-two billion, seven hundred sixty-six million, five hundred twenty thousand, six hundred thirty-two".