79740125 has 16 divisors (see below), whose sum is σ = 100319232. Its totient is φ = 63277200.

The previous prime is 79740119. The next prime is 79740127. The reversal of 79740125 is 52104797.

It is not a de Polignac number, because 79740125 - 2¹² = 79736029 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79740127) 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, 13364 + ... + 18386.

It is an arithmetic number, because the mean of its divisors is an integer number (6269952).

Almost surely, 2^79740125 is an apocalyptic number.

It is an amenable number.

79740125 is a deficient number, since it is larger than the sum of its proper divisors (20579107).

79740125 is a wasteful number, since it uses less digits than its factorization.

79740125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165 (or 5155 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 79740125 is about 8929.7326387748. The cubic root of 79740125 is about 430.4198621225.

The spelling of 79740125 in words is "seventy-nine million, seven hundred forty thousand, one hundred twenty-five".