76398917 has 16 divisors (see below), whose sum is σ = 91048320. Its totient is φ = 62741952.

The previous prime is 76398913. The next prime is 76398929. The reversal of 76398917 is 71989367.

It is not a de Polignac number, because 76398917 - 2² = 76398913 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76398913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13559 + ... + 18347.

It is an arithmetic number, because the mean of its divisors is an integer number (5690520).

Almost surely, 2^76398917 is an apocalyptic number.

It is an amenable number.

76398917 is a deficient number, since it is larger than the sum of its proper divisors (14649403).

76398917 is a wasteful number, since it uses less digits than its factorization.

76398917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892.

The product of its digits is 571536, while the sum is 50.

The square root of 76398917 is about 8740.6474016517. The cubic root of 76398917 is about 424.3221804406.

The spelling of 76398917 in words is "seventy-six million, three hundred ninety-eight thousand, nine hundred seventeen".