79074745 has 4 divisors (see below), whose sum is σ = 94889700. Its totient is φ = 63259792.

The previous prime is 79074739. The next prime is 79074767. The reversal of 79074745 is 54747097.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20766249 + 58308496 = 4557^2 + 7636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79074745 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7907470 + ... + 7907479.

It is an arithmetic number, because the mean of its divisors is an integer number (23722425).

Almost surely, 2^79074745 is an apocalyptic number.

It is an amenable number.

79074745 is a deficient number, since it is larger than the sum of its proper divisors (15814955).

79074745 is a wasteful number, since it uses less digits than its factorization.

79074745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15814954.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 79074745 is about 8892.3981579774. The cubic root of 79074745 is about 429.2193244632.

The spelling of 79074745 in words is "seventy-nine million, seventy-four thousand, seven hundred forty-five".