76216668 has 24 divisors (see below), whose sum is σ = 194006400. Its totient is φ = 23095920.

The previous prime is 76216649. The next prime is 76216697. The reversal of 76216668 is 86661267.

It is a happy number.

It is a congruent number.

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, 288568 + ... + 288831.

It is an arithmetic number, because the mean of its divisors is an integer number (8083600).

Almost surely, 2^76216668 is an apocalyptic number.

It is an amenable number.

76216668 is an abundant number, since it is smaller than the sum of its proper divisors (117789732).

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

76216668 is a wasteful number, since it uses less digits than its factorization.

76216668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577417 (or 577415 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 76216668 is about 8730.2158048928. The cubic root of 76216668 is about 423.9845060791.

The spelling of 76216668 in words is "seventy-six million, two hundred sixteen thousand, six hundred sixty-eight".