72678683 has 16 divisors (see below), whose sum is σ = 90961920. Its totient is φ = 56414400.

The previous prime is 72678659. The next prime is 72678703. The reversal of 72678683 is 38687627.

It is not a de Polignac number, because 72678683 - 2⁸ = 72678427 is a prime.

It is a super-2 number, since 2×72678683² = 10564381925228978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72678623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19958 + ... + 23316.

It is an arithmetic number, because the mean of its divisors is an integer number (5685120).

Almost surely, 2^72678683 is an apocalyptic number.

72678683 is a deficient number, since it is larger than the sum of its proper divisors (18283237).

72678683 is a wasteful number, since it uses less digits than its factorization.

72678683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658.

The product of its digits is 677376, while the sum is 47.

The square root of 72678683 is about 8525.1793529521. The cubic root of 72678683 is about 417.3198247257.

The spelling of 72678683 in words is "seventy-two million, six hundred seventy-eight thousand, six hundred eighty-three".