72332612 has 24 divisors (see below), whose sum is σ = 142853760. Its totient is φ = 31744160.

The previous prime is 72332593. The next prime is 72332621. The reversal of 72332612 is 21623327.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27068 + ... + 29619.

It is an arithmetic number, because the mean of its divisors is an integer number (5952240).

Almost surely, 2^72332612 is an apocalyptic number.

It is an amenable number.

72332612 is a deficient number, since it is larger than the sum of its proper divisors (70521148).

72332612 is a wasteful number, since it uses less digits than its factorization.

72332612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56731 (or 56729 counting only the distinct ones).

The product of its digits is 3024, while the sum is 26.

The square root of 72332612 is about 8504.8581410862. The cubic root of 72332612 is about 416.6563925644.

Adding to 72332612 its reverse (21623327), we get a palindrome (93955939).

The spelling of 72332612 in words is "seventy-two million, three hundred thirty-two thousand, six hundred twelve".