79684045 has 32 divisors (see below), whose sum is σ = 112896000. Its totient is φ = 53964288.

The previous prime is 79684009. The next prime is 79684057. The reversal of 79684045 is 54048697.

It is not a de Polignac number, because 79684045 - 2¹³ = 79675853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79683992 and 79684010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166116 + ... + 166594.

It is an arithmetic number, because the mean of its divisors is an integer number (3528000).

Almost surely, 2^79684045 is an apocalyptic number.

It is an amenable number.

79684045 is a deficient number, since it is larger than the sum of its proper divisors (33211955).

79684045 is an equidigital number, since it uses as much as digits as its factorization.

79684045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 79684045 is about 8926.5920148733. The cubic root of 79684045 is about 430.3189359088.

The spelling of 79684045 in words is "seventy-nine million, six hundred eighty-four thousand, forty-five".