79542132 has 96 divisors (see below), whose sum is σ = 204718080. Its totient is φ = 23950080.

The previous prime is 79542107. The next prime is 79542149. The reversal of 79542132 is 23124597.

It is a junction number, because it is equal to n+sod(n) for n = 79542093 and 79542102.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 626253 + ... + 626379.

It is an arithmetic number, because the mean of its divisors is an integer number (2132480).

Almost surely, 2^79542132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79542132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102359040).

79542132 is an abundant number, since it is smaller than the sum of its proper divisors (125175948).

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

79542132 is a wasteful number, since it uses less digits than its factorization.

79542132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 259 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 79542132 is about 8918.6395823578. The cubic root of 79542132 is about 430.0633258097.

The spelling of 79542132 in words is "seventy-nine million, five hundred forty-two thousand, one hundred thirty-two".