79668072 has 48 divisors (see below), whose sum is σ = 235385280. Its totient is φ = 24141600.

The previous prime is 79668041. The next prime is 79668079. The reversal of 79668072 is 27086697.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (79668079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49504 + ... + 51087.

It is an arithmetic number, because the mean of its divisors is an integer number (4903860).

Almost surely, 2^79668072 is an apocalyptic number.

79668072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

79668072 is an abundant number, since it is smaller than the sum of its proper divisors (155717208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79668072 is a wasteful number, since it uses less digits than its factorization.

79668072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100614 (or 100607 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 79668072 is about 8925.6972836860. The cubic root of 79668072 is about 430.2901809107.

The spelling of 79668072 in words is "seventy-nine million, six hundred sixty-eight thousand, seventy-two".