79450930 has 32 divisors (see below), whose sum is σ = 154418544. Its totient is φ = 29258496.

The previous prime is 79450919. The next prime is 79450961. The reversal of 79450930 is 3905497.

It can be written as a sum of positive squares in 8 ways, for example, as 9678321 + 69772609 = 3111^2 + 8353^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79450930.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79192 + ... + 80188.

Almost surely, 2^79450930 is an apocalyptic number.

79450930 is a deficient number, since it is larger than the sum of its proper divisors (74967614).

79450930 is a wasteful number, since it uses less digits than its factorization.

79450930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 79450930 is about 8913.5251163611. The cubic root of 79450930 is about 429.8988945633.

The spelling of 79450930 in words is "seventy-nine million, four hundred fifty thousand, nine hundred thirty".