79668134 has 32 divisors (see below), whose sum is σ = 148490496. Its totient is φ = 31214880.

The previous prime is 79668119. The next prime is 79668139. The reversal of 79668134 is 43186697.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79668139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17429 + ... + 21519.

It is an arithmetic number, because the mean of its divisors is an integer number (4640328).

Almost surely, 2^79668134 is an apocalyptic number.

79668134 is a deficient number, since it is larger than the sum of its proper divisors (68822362).

79668134 is a wasteful number, since it uses less digits than its factorization.

79668134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220.

The product of its digits is 217728, while the sum is 44.

The square root of 79668134 is about 8925.7007568034. The cubic root of 79668134 is about 430.2902925321.

The spelling of 79668134 in words is "seventy-nine million, six hundred sixty-eight thousand, one hundred thirty-four".