76021916 has 6 divisors (see below), whose sum is σ = 133038360. Its totient is φ = 38010956.

The previous prime is 76021879. The next prime is 76021949. The reversal of 76021916 is 61912067.

It is a happy number.

It is a super-2 number, since 2×76021916² = 11558663424622112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9502736 + ... + 9502743.

It is an arithmetic number, because the mean of its divisors is an integer number (22173060).

Almost surely, 2^76021916 is an apocalyptic number.

It is an amenable number.

76021916 is a deficient number, since it is larger than the sum of its proper divisors (57016444).

76021916 is a wasteful number, since it uses less digits than its factorization.

76021916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19005483 (or 19005481 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 76021916 is about 8719.0547652828. The cubic root of 76021916 is about 423.6230704377.

The spelling of 76021916 in words is "seventy-six million, twenty-one thousand, nine hundred sixteen".