72346684 has 24 divisors (see below), whose sum is σ = 136378368. Its totient is φ = 33483120.

The previous prime is 72346669. The next prime is 72346709. The reversal of 72346684 is 48664327.

It is a happy number.

It is a congruent number.

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, 9832 + ... + 15535.

It is an arithmetic number, because the mean of its divisors is an integer number (5682432).

Almost surely, 2^72346684 is an apocalyptic number.

It is an amenable number.

72346684 is a deficient number, since it is larger than the sum of its proper divisors (64031684).

72346684 is a wasteful number, since it uses less digits than its factorization.

72346684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25425 (or 25423 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 72346684 is about 8505.6853927241. The cubic root of 72346684 is about 416.6834103849.

The spelling of 72346684 in words is "seventy-two million, three hundred forty-six thousand, six hundred eighty-four".