79245939 has 8 divisors (see below), whose sum is σ = 105729472. Its totient is φ = 52796520.

The previous prime is 79245919. The next prime is 79245973. The reversal of 79245939 is 93954297.

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

It is not a de Polignac number, because 79245939 - 2¹¹ = 79243891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79245919) 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, 2497 + ... + 12834.

It is an arithmetic number, because the mean of its divisors is an integer number (13216184).

Almost surely, 2^79245939 is an apocalyptic number.

79245939 is a deficient number, since it is larger than the sum of its proper divisors (26483533).

79245939 is a wasteful number, since it uses less digits than its factorization.

79245939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17057.

The product of its digits is 612360, while the sum is 48.

The square root of 79245939 is about 8902.0188159765. The cubic root of 79245939 is about 429.5288493720.

The spelling of 79245939 in words is "seventy-nine million, two hundred forty-five thousand, nine hundred thirty-nine".