73577509952 has 14 divisors (see below), whose sum is σ = 146005371438. Its totient is φ = 36788754944.

The previous prime is 73577509939. The next prime is 73577509981. The reversal of 73577509952 is 25990577537.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 70492374016 + 3085135936 = 265504^2 + 55544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73577509891 and 73577509900.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574824233 + ... + 574824360.

Almost surely, 2^73577509952 is an apocalyptic number.

It is an amenable number.

73577509952 is a deficient number, since it is larger than the sum of its proper divisors (72427861486).

73577509952 is a wasteful number, since it uses less digits than its factorization.

73577509952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149648605 (or 1149648595 counting only the distinct ones).

The product of its (nonzero) digits is 20837250, while the sum is 59.

The spelling of 73577509952 in words is "seventy-three billion, five hundred seventy-seven million, five hundred nine thousand, nine hundred fifty-two".