73723720312 has 64 divisors (see below), whose sum is σ = 159123398400. Its totient is φ = 31693559040.

The previous prime is 73723720309. The next prime is 73723720331. The reversal of 73723720312 is 21302732737.

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, 24498 + ... + 384769.

It is an arithmetic number, because the mean of its divisors is an integer number (2486303100).

Almost surely, 2^73723720312 is an apocalyptic number.

It is an amenable number.

73723720312 is an abundant number, since it is smaller than the sum of its proper divisors (85399678088).

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

73723720312 is a wasteful number, since it uses less digits than its factorization.

73723720312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409396 (or 409392 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 37.

The spelling of 73723720312 in words is "seventy-three billion, seven hundred twenty-three million, seven hundred twenty thousand, three hundred twelve".