79999274 has 8 divisors (see below), whose sum is σ = 120085860. Its totient is φ = 39970656.

The previous prime is 79999261. The next prime is 79999277. The reversal of 79999274 is 47299997.

It can be written as a sum of positive squares in 2 ways, for example, as 75568249 + 4431025 = 8693^2 + 2105^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79999277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10859 + ... + 16670.

Almost surely, 2^79999274 is an apocalyptic number.

79999274 is a deficient number, since it is larger than the sum of its proper divisors (40086586).

79999274 is a wasteful number, since it uses less digits than its factorization.

79999274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28984.

The product of its digits is 2571912, while the sum is 56.

The square root of 79999274 is about 8944.2313252733. The cubic root of 79999274 is about 430.8856345694.

The spelling of 79999274 in words is "seventy-nine million, nine hundred ninety-nine thousand, two hundred seventy-four".