79240075 has 6 divisors (see below), whose sum is σ = 98257724. Its totient is φ = 63392040.

The previous prime is 79239989. The next prime is 79240079. The reversal of 79240075 is 57004297.

It is a de Polignac number, because none of the positive numbers 2^k-79240075 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79240075.

It is not an unprimeable number, because it can be changed into a prime (79240079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1584777 + ... + 1584826.

Almost surely, 2^79240075 is an apocalyptic number.

79240075 is a deficient number, since it is larger than the sum of its proper divisors (19017649).

79240075 is a wasteful number, since it uses less digits than its factorization.

79240075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169613 (or 3169608 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 79240075 is about 8901.6894463916. The cubic root of 79240075 is about 429.5182544261.

The spelling of 79240075 in words is "seventy-nine million, two hundred forty thousand, seventy-five".