73697232320 has 56 divisors (see below), whose sum is σ = 175560587664. Its totient is φ = 29467293696.

The previous prime is 73697232299. The next prime is 73697232331. The reversal of 73697232320 is 2323279637.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793439 + ... + 881441.

It is an arithmetic number, because the mean of its divisors is an integer number (3135010494).

Almost surely, 2^73697232320 is an apocalyptic number.

It is an amenable number.

73697232320 is an abundant number, since it is smaller than the sum of its proper divisors (101863355344).

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

73697232320 is a wasteful number, since it uses less digits than its factorization.

73697232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90637 (or 90627 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 44.

The spelling of 73697232320 in words is "seventy-three billion, six hundred ninety-seven million, two hundred thirty-two thousand, three hundred twenty".