79372149 has 16 divisors (see below), whose sum is σ = 110927232. Its totient is φ = 50386688.

The previous prime is 79372129. The next prime is 79372171. The reversal of 79372149 is 94127397.

It is a cyclic number.

It is not a de Polignac number, because 79372149 - 2⁷ = 79372021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79372149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79372129) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13609 + ... + 18545.

It is an arithmetic number, because the mean of its divisors is an integer number (6932952).

Almost surely, 2^79372149 is an apocalyptic number.

It is an amenable number.

79372149 is a deficient number, since it is larger than the sum of its proper divisors (31555083).

79372149 is a wasteful number, since it uses less digits than its factorization.

79372149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196.

The product of its digits is 95256, while the sum is 42.

The square root of 79372149 is about 8909.1048371876. The cubic root of 79372149 is about 429.7567562435.

The spelling of 79372149 in words is "seventy-nine million, three hundred seventy-two thousand, one hundred forty-nine".