72942232 has 16 divisors (see below), whose sum is σ = 149200200. Its totient is φ = 33155520.

The previous prime is 72942229. The next prime is 72942253. The reversal of 72942232 is 23224927.

It is a super-3 number, since 3×72942232³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72942194 and 72942203.

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, 414357 + ... + 414532.

Almost surely, 2^72942232 is an apocalyptic number.

It is an amenable number.

72942232 is an abundant number, since it is smaller than the sum of its proper divisors (76257968).

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

72942232 is a wasteful number, since it uses less digits than its factorization.

72942232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828906 (or 828902 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 72942232 is about 8540.6224597508. The cubic root of 72942232 is about 417.8236475925.

The spelling of 72942232 in words is "seventy-two million, nine hundred forty-two thousand, two hundred thirty-two".