78312682 has 24 divisors (see below), whose sum is σ = 138698784. Its totient is φ = 33058872.

The previous prime is 78312671. The next prime is 78312691. The reversal of 78312682 is 28621387.

It is a super-2 number, since 2×78312682² = 12265752324066248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 603 + ... + 12529.

It is an arithmetic number, because the mean of its divisors is an integer number (5779116).

Almost surely, 2^78312682 is an apocalyptic number.

78312682 is a deficient number, since it is larger than the sum of its proper divisors (60386102).

78312682 is a wasteful number, since it uses less digits than its factorization.

78312682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12010 (or 12003 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 78312682 is about 8849.4452933503. The cubic root of 78312682 is about 427.8360400596.

The spelling of 78312682 in words is "seventy-eight million, three hundred twelve thousand, six hundred eighty-two".