72682685 has 16 divisors (see below), whose sum is σ = 90345024. Its totient is φ = 56095872.

The previous prime is 72682681. The next prime is 72682697. The reversal of 72682685 is 58628627.

It is a cyclic number.

It is not a de Polignac number, because 72682685 - 2² = 72682681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72682681) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15809 + ... + 19881.

It is an arithmetic number, because the mean of its divisors is an integer number (5646564).

Almost surely, 2^72682685 is an apocalyptic number.

It is an amenable number.

72682685 is a deficient number, since it is larger than the sum of its proper divisors (17662339).

72682685 is a wasteful number, since it uses less digits than its factorization.

72682685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204.

The product of its digits is 322560, while the sum is 44.

The square root of 72682685 is about 8525.4140661906. The cubic root of 72682685 is about 417.3274843916.

The spelling of 72682685 in words is "seventy-two million, six hundred eighty-two thousand, six hundred eighty-five".