79899732 has 36 divisors (see below), whose sum is σ = 220330656. Its totient is φ = 24211920.

The previous prime is 79899709. The next prime is 79899733. The reversal of 79899732 is 23799897.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79899733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100488 + ... + 101279.

It is an arithmetic number, because the mean of its divisors is an integer number (6120296).

Almost surely, 2^79899732 is an apocalyptic number.

It is an amenable number.

79899732 is an abundant number, since it is smaller than the sum of its proper divisors (140430924).

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

79899732 is a wasteful number, since it uses less digits than its factorization.

79899732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201788 (or 201783 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 79899732 is about 8938.6650009943. The cubic root of 79899732 is about 430.7068453645.

It can be divided in two parts, 79 and 899732, that added together give a triangular number (899811 = T₁₃₄₁).

The spelling of 79899732 in words is "seventy-nine million, eight hundred ninety-nine thousand, seven hundred thirty-two".