72554932 has 12 divisors (see below), whose sum is σ = 129924256. Its totient is φ = 35433720.

The previous prime is 72554921. The next prime is 72554941. The reversal of 72554932 is 23945527.

It is a junction number, because it is equal to n+sod(n) for n = 72554891 and 72554900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210744 + ... + 211087.

Almost surely, 2^72554932 is an apocalyptic number.

It is an amenable number.

72554932 is a deficient number, since it is larger than the sum of its proper divisors (57369324).

72554932 is a wasteful number, since it uses less digits than its factorization.

72554932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421878 (or 421876 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 72554932 is about 8517.9182902867. The cubic root of 72554932 is about 417.0828314160.

The spelling of 72554932 in words is "seventy-two million, five hundred fifty-four thousand, nine hundred thirty-two".