76668774 has 32 divisors (see below), whose sum is σ = 188724480. Its totient is φ = 20220192.

The previous prime is 76668751. The next prime is 76668803. The reversal of 76668774 is 47786667.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69664 + ... + 70755.

It is an arithmetic number, because the mean of its divisors is an integer number (5897640).

Almost surely, 2^76668774 is an apocalyptic number.

76668774 is an abundant number, since it is smaller than the sum of its proper divisors (112055706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76668774 is a wasteful number, since it uses less digits than its factorization.

76668774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140444.

The product of its digits is 2370816, while the sum is 51.

The square root of 76668774 is about 8756.0706940956. The cubic root of 76668774 is about 424.8211916787.

The spelling of 76668774 in words is "seventy-six million, six hundred sixty-eight thousand, seven hundred seventy-four".