76428868 has 12 divisors (see below), whose sum is σ = 140790160. Its totient is φ = 36203112.

The previous prime is 76428853. The next prime is 76428901. The reversal of 76428868 is 86882467.

It is a super-2 number, since 2×76428868² = 11682743727522848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502746 + ... + 502897.

Almost surely, 2^76428868 is an apocalyptic number.

It is an amenable number.

76428868 is a deficient number, since it is larger than the sum of its proper divisors (64361292).

76428868 is a wasteful number, since it uses less digits than its factorization.

76428868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005666 (or 1005664 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 49.

The square root of 76428868 is about 8742.3605507895. The cubic root of 76428868 is about 424.3776228199.

The spelling of 76428868 in words is "seventy-six million, four hundred twenty-eight thousand, eight hundred sixty-eight".