74220684 has 12 divisors (see below), whose sum is σ = 173181624. Its totient is φ = 24740224.

The previous prime is 74220677. The next prime is 74220697. The reversal of 74220684 is 48602247.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3092517 + ... + 3092540.

It is an arithmetic number, because the mean of its divisors is an integer number (14431802).

Almost surely, 2^74220684 is an apocalyptic number.

It is an amenable number.

74220684 is an abundant number, since it is smaller than the sum of its proper divisors (98960940).

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

74220684 is a wasteful number, since it uses less digits than its factorization.

74220684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6185064 (or 6185062 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 74220684 is about 8615.1427150106. The cubic root of 74220684 is about 420.2505760977.

The spelling of 74220684 in words is "seventy-four million, two hundred twenty thousand, six hundred eighty-four".