76679993 has 8 divisors (see below), whose sum is σ = 82656000. Its totient is φ = 70715088.

The previous prime is 76679987. The next prime is 76680011. The reversal of 76679993 is 39997667.

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

It is a cyclic number.

It is not a de Polignac number, because 76679993 - 2⁸ = 76679737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76679903) 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 7 ways as a sum of consecutive naturals, for example, 16658 + ... + 20756.

It is an arithmetic number, because the mean of its divisors is an integer number (10332000).

Almost surely, 2^76679993 is an apocalyptic number.

It is an amenable number.

76679993 is a deficient number, since it is larger than the sum of its proper divisors (5976007).

76679993 is a wasteful number, since it uses less digits than its factorization.

76679993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551.

The product of its digits is 3857868, while the sum is 56.

The square root of 76679993 is about 8756.7113119024. The cubic root of 76679993 is about 424.8419121374.

The spelling of 76679993 in words is "seventy-six million, six hundred seventy-nine thousand, nine hundred ninety-three".