79994493 has 16 divisors (see below), whose sum is σ = 120182400. Its totient is φ = 52577280.

The previous prime is 79994479. The next prime is 79994507. The reversal of 79994493 is 39449997.

It is an interprime number because it is at equal distance from previous prime (79994479) and next prime (79994507).

It is not a de Polignac number, because 79994493 - 2¹² = 79990397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79994293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18948 + ... + 22781.

It is an arithmetic number, because the mean of its divisors is an integer number (7511400).

Almost surely, 2^79994493 is an apocalyptic number.

It is an amenable number.

79994493 is a deficient number, since it is larger than the sum of its proper divisors (40187907).

79994493 is a wasteful number, since it uses less digits than its factorization.

79994493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41809 (or 41803 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 79994493 is about 8943.9640540423. The cubic root of 79994493 is about 430.8770507196.

The spelling of 79994493 in words is "seventy-nine million, nine hundred ninety-four thousand, four hundred ninety-three".