76081668 has 24 divisors (see below), whose sum is σ = 191179968. Its totient is φ = 23409696.

The previous prime is 76081637. The next prime is 76081679. The reversal of 76081668 is 86618067.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243696 + ... + 244007.

It is an arithmetic number, because the mean of its divisors is an integer number (7965832).

Almost surely, 2^76081668 is an apocalyptic number.

76081668 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

76081668 is an abundant number, since it is smaller than the sum of its proper divisors (115098300).

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

76081668 is a wasteful number, since it uses less digits than its factorization.

76081668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487723 (or 487721 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 76081668 is about 8722.4806104686. The cubic root of 76081668 is about 423.7340283396.

It can be divided in two parts, 760 and 81668, that added together give a palindrome (82428).

The spelling of 76081668 in words is "seventy-six million, eighty-one thousand, six hundred sixty-eight".