79505725 has 12 divisors (see below), whose sum is σ = 106171156. Its totient is φ = 58711680.

The previous prime is 79505707. The next prime is 79505743. The reversal of 79505725 is 52750597.

It is an interprime number because it is at equal distance from previous prime (79505707) and next prime (79505743).

It can be written as a sum of positive squares in 6 ways, for example, as 26594649 + 52911076 = 5157^2 + 7274^2 .

It is not a de Polignac number, because 79505725 - 2⁵ = 79505693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121992 + ... + 122641.

Almost surely, 2^79505725 is an apocalyptic number.

It is an amenable number.

79505725 is a deficient number, since it is larger than the sum of its proper divisors (26665431).

79505725 is a wasteful number, since it uses less digits than its factorization.

79505725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244656 (or 244651 counting only the distinct ones).

The product of its (nonzero) digits is 110250, while the sum is 40.

The square root of 79505725 is about 8916.5982863422. The cubic root of 79505725 is about 429.9977014480.

The spelling of 79505725 in words is "seventy-nine million, five hundred five thousand, seven hundred twenty-five".