79724325 has 48 divisors (see below), whose sum is σ = 139098240. Its totient is φ = 40212480.

The previous prime is 79724321. The next prime is 79724347. The reversal of 79724325 is 52342797.

It is not a de Polignac number, because 79724325 - 2² = 79724321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79724321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194721 + ... + 195129.

It is an arithmetic number, because the mean of its divisors is an integer number (2897880).

Almost surely, 2^79724325 is an apocalyptic number.

79724325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

79724325 is a deficient number, since it is larger than the sum of its proper divisors (59373915).

79724325 is a wasteful number, since it uses less digits than its factorization.

79724325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 553 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 79724325 is about 8928.8479100050. The cubic root of 79724325 is about 430.3914319228.

The spelling of 79724325 in words is "seventy-nine million, seven hundred twenty-four thousand, three hundred twenty-five".