73239470208 has 48 divisors (see below), whose sum is σ = 210754207950. Its totient is φ = 24413156352.

The previous prime is 73239470167. The next prime is 73239470231. The reversal of 73239470208 is 80207493237.

It can be written as a sum of positive squares in only one way, i.e., 72343785024 + 895685184 = 268968^2 + 29928^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31786813 + ... + 31789116.

Almost surely, 2^73239470208 is an apocalyptic number.

It is an amenable number.

73239470208 is an abundant number, since it is smaller than the sum of its proper divisors (137514737742).

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

73239470208 is a wasteful number, since it uses less digits than its factorization.

73239470208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63575949 (or 63575934 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 73239470208 in words is "seventy-three billion, two hundred thirty-nine million, four hundred seventy thousand, two hundred eight".