74122856 has 32 divisors (see below), whose sum is σ = 149040000. Its totient is φ = 34434816.

The previous prime is 74122843. The next prime is 74122883. The reversal of 74122856 is 65822147.

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 7 ways as a sum of consecutive naturals, for example, 7295 + ... + 14193.

It is an arithmetic number, because the mean of its divisors is an integer number (4657500).

Almost surely, 2^74122856 is an apocalyptic number.

It is an amenable number.

74122856 is an abundant number, since it is smaller than the sum of its proper divisors (74917144).

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

74122856 is a wasteful number, since it uses less digits than its factorization.

74122856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001 (or 6997 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 74122856 is about 8609.4631656103. The cubic root of 74122856 is about 420.0658551308.

The spelling of 74122856 in words is "seventy-four million, one hundred twenty-two thousand, eight hundred fifty-six".