79042775 has 36 divisors (see below), whose sum is σ = 119336112. Its totient is φ = 50699520.

The previous prime is 79042759. The next prime is 79042801. The reversal of 79042775 is 57724097.

It is not a de Polignac number, because 79042775 - 2⁴ = 79042759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 484844 + ... + 485006.

It is an arithmetic number, because the mean of its divisors is an integer number (3314892).

Almost surely, 2^79042775 is an apocalyptic number.

79042775 is a deficient number, since it is larger than the sum of its proper divisors (40293337).

79042775 is a wasteful number, since it uses less digits than its factorization.

79042775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 79042775 is about 8890.6003734281. The cubic root of 79042775 is about 429.1614720625.

The spelling of 79042775 in words is "seventy-nine million, forty-two thousand, seven hundred seventy-five".