79444275 has 12 divisors (see below), whose sum is σ = 131347992. Its totient is φ = 42370240.

The previous prime is 79444259. The next prime is 79444279. The reversal of 79444275 is 57244497.

It is not a de Polignac number, because 79444275 - 2⁴ = 79444259 is a prime.

It is a super-2 number, since 2×79444275² = 12622785660551250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (79444279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529554 + ... + 529703.

It is an arithmetic number, because the mean of its divisors is an integer number (10945666).

Almost surely, 2^79444275 is an apocalyptic number.

79444275 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

79444275 is a deficient number, since it is larger than the sum of its proper divisors (51903717).

79444275 is a wasteful number, since it uses less digits than its factorization.

79444275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059270 (or 1059265 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 79444275 is about 8913.1517994478. The cubic root of 79444275 is about 429.8868911081.

The spelling of 79444275 in words is "seventy-nine million, four hundred forty-four thousand, two hundred seventy-five".