72466732 has 24 divisors (see below), whose sum is σ = 137041632. Its totient is φ = 33331200.

The previous prime is 72466729. The next prime is 72466753. The reversal of 72466732 is 23766427.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72466691 and 72466700.

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, 13932 + ... + 18412.

It is an arithmetic number, because the mean of its divisors is an integer number (5710068).

Almost surely, 2^72466732 is an apocalyptic number.

It is an amenable number.

72466732 is a deficient number, since it is larger than the sum of its proper divisors (64574900).

72466732 is a wasteful number, since it uses less digits than its factorization.

72466732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809 (or 4807 counting only the distinct ones).

The product of its digits is 84672, while the sum is 37.

The square root of 72466732 is about 8512.7393945780. The cubic root of 72466732 is about 416.9137566605.

The spelling of 72466732 in words is "seventy-two million, four hundred sixty-six thousand, seven hundred thirty-two".