79102142 has 32 divisors (see below), whose sum is σ = 141496320. Its totient is φ = 32451840.

The previous prime is 79102141. The next prime is 79102151. The reversal of 79102142 is 24120197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79102141) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 41159 + ... + 43037.

It is an arithmetic number, because the mean of its divisors is an integer number (4421760).

Almost surely, 2^79102142 is an apocalyptic number.

79102142 is a deficient number, since it is larger than the sum of its proper divisors (62394178).

79102142 is a wasteful number, since it uses less digits than its factorization.

79102142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 79102142 is about 8893.9384976511. The cubic root of 79102142 is about 429.2688892305.

The spelling of 79102142 in words is "seventy-nine million, one hundred two thousand, one hundred forty-two".