72684316 has 12 divisors (see below), whose sum is σ = 134679888. Its totient is φ = 34204352.

The previous prime is 72684281. The next prime is 72684341. The reversal of 72684316 is 61348627.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534376 + ... + 534511.

It is an arithmetic number, because the mean of its divisors is an integer number (11223324).

Almost surely, 2^72684316 is an apocalyptic number.

It is an amenable number.

72684316 is a deficient number, since it is larger than the sum of its proper divisors (61995572).

72684316 is a wasteful number, since it uses less digits than its factorization.

72684316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068908 (or 1068906 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 72684316 is about 8525.5097208319. The cubic root of 72684316 is about 417.3306059789.

The spelling of 72684316 in words is "seventy-two million, six hundred eighty-four thousand, three hundred sixteen".