79481994 has 32 divisors (see below), whose sum is σ = 164988096. Its totient is φ = 25505280.

The previous prime is 79481989. The next prime is 79482001. The reversal of 79481994 is 49918497.

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, 19689 + ... + 23379.

It is an arithmetic number, because the mean of its divisors is an integer number (5155878).

Almost surely, 2^79481994 is an apocalyptic number.

79481994 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

79481994 is an abundant number, since it is smaller than the sum of its proper divisors (85506102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79481994 is a wasteful number, since it uses less digits than its factorization.

79481994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830.

The product of its digits is 653184, while the sum is 51.

The square root of 79481994 is about 8915.2674665430. The cubic root of 79481994 is about 429.9549150495.

The spelling of 79481994 in words is "seventy-nine million, four hundred eighty-one thousand, nine hundred ninety-four".