72684682 has 16 divisors (see below), whose sum is σ = 126463680. Its totient is φ = 30685248.

The previous prime is 72684659. The next prime is 72684683. The reversal of 72684682 is 28648627.

It is a super-2 number, since 2×72684682² = 10566125994882248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72684683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37807 + ... + 39682.

It is an arithmetic number, because the mean of its divisors is an integer number (7903980).

Almost surely, 2^72684682 is an apocalyptic number.

72684682 is a deficient number, since it is larger than the sum of its proper divisors (53778998).

72684682 is a wasteful number, since it uses less digits than its factorization.

72684682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77565.

The product of its digits is 258048, while the sum is 43.

The square root of 72684682 is about 8525.5311857972. The cubic root of 72684682 is about 417.3313064635.

The spelling of 72684682 in words is "seventy-two million, six hundred eighty-four thousand, six hundred eighty-two".