72333472 has 12 divisors (see below), whose sum is σ = 142406586. Its totient is φ = 36166720.

The previous prime is 72333467. The next prime is 72333491. The reversal of 72333472 is 27433327.

It can be written as a sum of positive squares in only one way, i.e., 71978256 + 355216 = 8484^2 + 596^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130179 + ... + 1130242.

Almost surely, 2^72333472 is an apocalyptic number.

It is an amenable number.

72333472 is a deficient number, since it is larger than the sum of its proper divisors (70073114).

72333472 is a wasteful number, since it uses less digits than its factorization.

72333472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260431 (or 2260423 counting only the distinct ones).

The product of its digits is 21168, while the sum is 31.

The square root of 72333472 is about 8504.9087002742. The cubic root of 72333472 is about 416.6580438393.

Adding to 72333472 its reverse (27433327), we get a palindrome (99766799).

The spelling of 72333472 in words is "seventy-two million, three hundred thirty-three thousand, four hundred seventy-two".