79142272 has 32 divisors (see below), whose sum is σ = 172002600. Its totient is φ = 35973120.

The previous prime is 79142269. The next prime is 79142281. The reversal of 79142272 is 27224197.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26697 + ... + 29512.

Almost surely, 2^79142272 is an apocalyptic number.

It is an amenable number.

79142272 is an abundant number, since it is smaller than the sum of its proper divisors (92860328).

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

79142272 is a wasteful number, since it uses less digits than its factorization.

79142272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56234 (or 56222 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 79142272 is about 8896.1942424837. The cubic root of 79142272 is about 429.3414690107.

The spelling of 79142272 in words is "seventy-nine million, one hundred forty-two thousand, two hundred seventy-two".