74140416 has 108 divisors (see below), whose sum is σ = 244356112. Its totient is φ = 21178368.

The previous prime is 74140399. The next prime is 74140421. The reversal of 74140416 is 61404147.

It is a self number, because there is not a number n which added to its sum of digits gives 74140416.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13830 + ... + 18426.

Almost surely, 2^74140416 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 74140416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122178056).

74140416 is an abundant number, since it is smaller than the sum of its proper divisors (170215696).

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

74140416 is a wasteful number, since it uses less digits than its factorization.

74140416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 74140416 is about 8610.4829132866. The cubic root of 74140416 is about 420.0990242701.

The spelling of 74140416 in words is "seventy-four million, one hundred forty thousand, four hundred sixteen".