72662432 has 24 divisors (see below), whose sum is σ = 146383776. Its totient is φ = 35485632.

The previous prime is 72662431. The next prime is 72662449. The reversal of 72662432 is 23426627.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (72662431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25028 + ... + 27779.

It is an arithmetic number, because the mean of its divisors is an integer number (6099324).

Almost surely, 2^72662432 is an apocalyptic number.

It is an amenable number.

72662432 is an abundant number, since it is smaller than the sum of its proper divisors (73721344).

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

72662432 is a wasteful number, since it uses less digits than its factorization.

72662432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52860 (or 52852 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 72662432 is about 8524.2261818889. The cubic root of 72662432 is about 417.2887180805.

The spelling of 72662432 in words is "seventy-two million, six hundred sixty-two thousand, four hundred thirty-two".