79170794 has 4 divisors (see below), whose sum is σ = 118756194. Its totient is φ = 39585396.

The previous prime is 79170781. The next prime is 79170797. The reversal of 79170794 is 49707197.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65205625 + 13965169 = 8075^2 + 3737^2 .

It is not an unprimeable number, because it can be changed into a prime (79170797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19792697 + ... + 19792700.

Almost surely, 2^79170794 is an apocalyptic number.

79170794 is a deficient number, since it is larger than the sum of its proper divisors (39585400).

79170794 is a wasteful number, since it uses less digits than its factorization.

79170794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39585399.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 79170794 is about 8897.7971431136. The cubic root of 79170794 is about 429.3930394559.

The spelling of 79170794 in words is "seventy-nine million, one hundred seventy thousand, seven hundred ninety-four".