79240245 has 32 divisors (see below), whose sum is σ = 147363840. Its totient is φ = 35607360.

The previous prime is 79240243. The next prime is 79240277. The reversal of 79240245 is 54204297.

It is not a de Polignac number, because 79240245 - 2¹ = 79240243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79240243) 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 31 ways as a sum of consecutive naturals, for example, 201 + ... + 12590.

It is an arithmetic number, because the mean of its divisors is an integer number (4605120).

Almost surely, 2^79240245 is an apocalyptic number.

It is an amenable number.

79240245 is a deficient number, since it is larger than the sum of its proper divisors (68123595).

79240245 is a wasteful number, since it uses less digits than its factorization.

79240245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12865.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 79240245 is about 8901.6989951357. The cubic root of 79240245 is about 429.5185615857.

The spelling of 79240245 in words is "seventy-nine million, two hundred forty thousand, two hundred forty-five".