76668231 has 8 divisors (see below), whose sum is σ = 102309120. Its totient is φ = 51069752.

The previous prime is 76668209. The next prime is 76668247. The reversal of 76668231 is 13286667.

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 76668231 - 2⁷ = 76668103 is a prime.

It is a super-2 number, since 2×76668231² = 11756035289338722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76668231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76668271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6111 + ... + 13808.

It is an arithmetic number, because the mean of its divisors is an integer number (12788640).

Almost surely, 2^76668231 is an apocalyptic number.

76668231 is a deficient number, since it is larger than the sum of its proper divisors (25640889).

76668231 is a wasteful number, since it uses less digits than its factorization.

76668231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21205.

The product of its digits is 72576, while the sum is 39.

The square root of 76668231 is about 8756.0396869818. The cubic root of 76668231 is about 424.8201887565.

The spelling of 76668231 in words is "seventy-six million, six hundred sixty-eight thousand, two hundred thirty-one".