79279245 has 48 divisors (see below), whose sum is σ = 150239232. Its totient is φ = 38499840.

The previous prime is 79279201. The next prime is 79279247. The reversal of 79279245 is 54297297.

It is not a de Polignac number, because 79279245 - 2⁹ = 79278733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 79279245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79279247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22044 + ... + 25386.

It is an arithmetic number, because the mean of its divisors is an integer number (3129984).

Almost surely, 2^79279245 is an apocalyptic number.

It is an amenable number.

79279245 is a deficient number, since it is larger than the sum of its proper divisors (70959987).

79279245 is a wasteful number, since it uses less digits than its factorization.

79279245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402 (or 3399 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 79279245 is about 8903.8893187191. The cubic root of 79279245 is about 429.5890160056.

It can be divided in two parts, 79279 and 245, that added together give a square (79524 = 282²).

The spelling of 79279245 in words is "seventy-nine million, two hundred seventy-nine thousand, two hundred forty-five".