79953075 has 84 divisors (see below), whose sum is σ = 153693288. Its totient is φ = 41212800.

The previous prime is 79953067. The next prime is 79953079. The reversal of 79953075 is 57035997.

It is a happy number.

It is not a de Polignac number, because 79953075 - 2³ = 79953067 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 79953075.

It is not an unprimeable number, because it can be changed into a prime (79953079) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 747172 + ... + 747278.

It is an arithmetic number, because the mean of its divisors is an integer number (1829682).

Almost surely, 2^79953075 is an apocalyptic number.

79953075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

79953075 is a deficient number, since it is larger than the sum of its proper divisors (73740213).

79953075 is a wasteful number, since it uses less digits than its factorization.

79953075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 297675, while the sum is 45.

The square root of 79953075 is about 8941.6483379744. The cubic root of 79953075 is about 430.8026741557.

The spelling of 79953075 in words is "seventy-nine million, nine hundred fifty-three thousand, seventy-five".