74944284 has 48 divisors (see below), whose sum is σ = 184934400. Its totient is φ = 23556096.

The previous prime is 74944283. The next prime is 74944297. The reversal of 74944284 is 48244947.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74944283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57957 + ... + 59235.

It is an arithmetic number, because the mean of its divisors is an integer number (3852800).

Almost surely, 2^74944284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74944284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92467200).

74944284 is an abundant number, since it is smaller than the sum of its proper divisors (109990116).

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

74944284 is a wasteful number, since it uses less digits than its factorization.

74944284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562 (or 1560 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 74944284 is about 8657.0366754450. The cubic root of 74944284 is about 421.6118785713.

The spelling of 74944284 in words is "seventy-four million, nine hundred forty-four thousand, two hundred eighty-four".