74766816 has 72 divisors (see below), whose sum is σ = 225139824. Its totient is φ = 23454720.

The previous prime is 74766803. The next prime is 74766827. The reversal of 74766816 is 61866747.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2740 + ... + 12531.

It is an arithmetic number, because the mean of its divisors is an integer number (3126942).

Almost surely, 2^74766816 is an apocalyptic number.

It is an amenable number.

74766816 is an abundant number, since it is smaller than the sum of its proper divisors (150373008).

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

74766816 is a wasteful number, since it uses less digits than its factorization.

74766816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15304 (or 15293 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 74766816 is about 8646.7806725972. The cubic root of 74766816 is about 421.2788233527.

The spelling of 74766816 in words is "seventy-four million, seven hundred sixty-six thousand, eight hundred sixteen".