79068140 has 24 divisors (see below), whose sum is σ = 166486320. Its totient is φ = 31542848.

The previous prime is 79068137. The next prime is 79068151. The reversal of 79068140 is 4186097.

It is a self number, because there is not a number n which added to its sum of digits gives 79068140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2699 + ... + 12861.

It is an arithmetic number, because the mean of its divisors is an integer number (6936930).

Almost surely, 2^79068140 is an apocalyptic number.

It is an amenable number.

79068140 is an abundant number, since it is smaller than the sum of its proper divisors (87418180).

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

79068140 is a wasteful number, since it uses less digits than its factorization.

79068140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10561 (or 10559 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 79068140 is about 8892.0267655917. The cubic root of 79068140 is about 429.2073734390.

The spelling of 79068140 in words is "seventy-nine million, sixty-eight thousand, one hundred forty".