74488440 has 96 divisors (see below), whose sum is σ = 242043120. Its totient is φ = 18330624.

The previous prime is 74488439. The next prime is 74488459. The reversal of 74488440 is 4488447.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18444 + ... + 22116.

Almost surely, 2^74488440 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 74488440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121021560).

74488440 is an abundant number, since it is smaller than the sum of its proper divisors (167554680).

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

74488440 is a wasteful number, since it uses less digits than its factorization.

74488440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713 (or 3696 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 39.

The square root of 74488440 is about 8630.6685720169. The cubic root of 74488440 is about 420.7553301385.

The spelling of 74488440 in words is "seventy-four million, four hundred eighty-eight thousand, four hundred forty".