76994767 has 4 divisors (see below), whose sum is σ = 77012320. Its totient is φ = 76977216.

The previous prime is 76994759. The next prime is 76994791. The reversal of 76994767 is 76749967.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 76994767 - 2³ = 76994759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76994737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4159 + ... + 13087.

It is an arithmetic number, because the mean of its divisors is an integer number (19253080).

Almost surely, 2^76994767 is an apocalyptic number.

76994767 is a deficient number, since it is larger than the sum of its proper divisors (17553).

76994767 is an equidigital number, since it uses as much as digits as its factorization.

76994767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17552.

The product of its digits is 4000752, while the sum is 55.

The square root of 76994767 is about 8774.6662044775. Note that the first 3 decimals coincide. The cubic root of 76994767 is about 425.4224486910.

The spelling of 76994767 in words is "seventy-six million, nine hundred ninety-four thousand, seven hundred sixty-seven".