76799930 has 8 divisors (see below), whose sum is σ = 138239892. Its totient is φ = 30719968.

The previous prime is 76799903. The next prime is 76799951. The reversal of 76799930 is 3999767.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64176121 + 12623809 = 8011^2 + 3553^2 .

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

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 3839987 + ... + 3840006.

Almost surely, 2^76799930 is an apocalyptic number.

76799930 is a deficient number, since it is larger than the sum of its proper divisors (61439962).

76799930 is a wasteful number, since it uses less digits than its factorization.

76799930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680000.

The product of its (nonzero) digits is 642978, while the sum is 50.

The square root of 76799930 is about 8763.5569262714. The cubic root of 76799930 is about 425.0632985305.

The spelling of 76799930 in words is "seventy-six million, seven hundred ninety-nine thousand, nine hundred thirty".