72373232 has 40 divisors (see below), whose sum is σ = 144353856. Its totient is φ = 35133696.

The previous prime is 72373207. The next prime is 72373283. The reversal of 72373232 is 23237327.

It is a junction number, because it is equal to n+sod(n) for n = 72373195 and 72373204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117758 + ... + 118370.

Almost surely, 2^72373232 is an apocalyptic number.

It is an amenable number.

72373232 is a deficient number, since it is larger than the sum of its proper divisors (71980624).

72373232 is a wasteful number, since it uses less digits than its factorization.

72373232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 819 counting only the distinct ones).

The product of its digits is 10584, while the sum is 29.

The square root of 72373232 is about 8507.2458528010. The cubic root of 72373232 is about 416.7343722155.

The spelling of 72373232 in words is "seventy-two million, three hundred seventy-three thousand, two hundred thirty-two".