72623432 has 32 divisors (see below), whose sum is σ = 156150720. Its totient is φ = 31018560.

The previous prime is 72623417. The next prime is 72623449. The reversal of 72623432 is 23432627.

It is a junction number, because it is equal to n+sod(n) for n = 72623395 and 72623404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15707 + ... + 19797.

It is an arithmetic number, because the mean of its divisors is an integer number (4879710).

Almost surely, 2^72623432 is an apocalyptic number.

It is an amenable number.

72623432 is an abundant number, since it is smaller than the sum of its proper divisors (83527288).

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

72623432 is a wasteful number, since it uses less digits than its factorization.

72623432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421 (or 4417 counting only the distinct ones).

The product of its digits is 12096, while the sum is 29.

The square root of 72623432 is about 8521.9382771761. The cubic root of 72623432 is about 417.2140478002.

The spelling of 72623432 in words is "seventy-two million, six hundred twenty-three thousand, four hundred thirty-two".