79725299 has 8 divisors (see below), whose sum is σ = 81231360. Its totient is φ = 78231816.

The previous prime is 79725287. The next prime is 79725307. The reversal of 79725299 is 99252797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79725299 - 2²⁰ = 78676723 is a prime.

It is a super-2 number, since 2×79725299² = 12712246601278802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79725209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10172 + ... + 16214.

It is an arithmetic number, because the mean of its divisors is an integer number (10153920).

Almost surely, 2^79725299 is an apocalyptic number.

79725299 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

79725299 is a deficient number, since it is larger than the sum of its proper divisors (1506061).

79725299 is a wasteful number, since it uses less digits than its factorization.

79725299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289.

The product of its digits is 714420, while the sum is 50.

The square root of 79725299 is about 8928.9024521494. The cubic root of 79725299 is about 430.3931846273.

The spelling of 79725299 in words is "seventy-nine million, seven hundred twenty-five thousand, two hundred ninety-nine".