74452284 has 36 divisors (see below), whose sum is σ = 195171704. Its totient is φ = 24817104.

The previous prime is 74452271. The next prime is 74452291. The reversal of 74452284 is 48225447.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 37327 + ... + 39270.

Almost surely, 2^74452284 is an apocalyptic number.

It is an amenable number.

74452284 is an abundant number, since it is smaller than the sum of its proper divisors (120719420).

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

74452284 is a wasteful number, since it uses less digits than its factorization.

74452284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76616 (or 76602 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 74452284 is about 8628.5736944179. The cubic root of 74452284 is about 420.6872422054.

The spelling of 74452284 in words is "seventy-four million, four hundred fifty-two thousand, two hundred eighty-four".