74690816 has 36 divisors (see below), whose sum is σ = 150234000. Its totient is φ = 37059072.

The previous prime is 74690789. The next prime is 74690851. The reversal of 74690816 is 61809647.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34535 + ... + 36633.

Almost surely, 2^74690816 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 74690816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75117000).

74690816 is an abundant number, since it is smaller than the sum of its proper divisors (75543184).

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

74690816 is a wasteful number, since it uses less digits than its factorization.

74690816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254 (or 2240 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 74690816 is about 8642.3848560452. The cubic root of 74690816 is about 421.1360325317.

The spelling of 74690816 in words is "seventy-four million, six hundred ninety thousand, eight hundred sixteen".