74022544 has 20 divisors (see below), whose sum is σ = 148046080. Its totient is φ = 35817120.

The previous prime is 74022527. The next prime is 74022563. The reversal of 74022544 is 44522047.

It is a happy number.

74022544 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 74124 + ... + 75115.

It is an arithmetic number, because the mean of its divisors is an integer number (7402304).

Almost surely, 2^74022544 is an apocalyptic number.

It is an amenable number.

74022544 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74022544 is a wasteful number, since it uses less digits than its factorization.

74022544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149278 (or 149272 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 74022544 is about 8603.6355106432. The cubic root of 74022544 is about 419.8762749697.

The spelling of 74022544 in words is "seventy-four million, twenty-two thousand, five hundred forty-four".