72832736 has 24 divisors (see below), whose sum is σ = 144348624. Its totient is φ = 36172800.

The previous prime is 72832729. The next prime is 72832807. The reversal of 72832736 is 63723827.

It is a self number, because there is not a number n which added to its sum of digits gives 72832736.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2705 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (6014526).

Almost surely, 2^72832736 is an apocalyptic number.

It is an amenable number.

72832736 is a deficient number, since it is larger than the sum of its proper divisors (71515888).

72832736 is a wasteful number, since it uses less digits than its factorization.

72832736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15234 (or 15226 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 72832736 is about 8534.2097466608. The cubic root of 72832736 is about 417.6144732534.

The spelling of 72832736 in words is "seventy-two million, eight hundred thirty-two thousand, seven hundred thirty-six".