79135724 has 24 divisors (see below), whose sum is σ = 140588448. Its totient is φ = 38972160.

The previous prime is 79135717. The next prime is 79135729. The reversal of 79135724 is 42753197.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (79135729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98894 + ... + 99690.

It is an arithmetic number, because the mean of its divisors is an integer number (5857852).

Almost surely, 2^79135724 is an apocalyptic number.

It is an amenable number.

79135724 is a deficient number, since it is larger than the sum of its proper divisors (61452724).

79135724 is a wasteful number, since it uses less digits than its factorization.

79135724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1143 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 79135724 is about 8895.8262123313. The cubic root of 79135724 is about 429.3296278652.

The spelling of 79135724 in words is "seventy-nine million, one hundred thirty-five thousand, seven hundred twenty-four".