74249994 has 48 divisors (see below), whose sum is σ = 186042528. Its totient is φ = 19581408.

The previous prime is 74249983. The next prime is 74250013. The reversal of 74249994 is 49994247.

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, 5892 + ... + 13535.

It is an arithmetic number, because the mean of its divisors is an integer number (3875886).

Almost surely, 2^74249994 is an apocalyptic number.

74249994 is an abundant number, since it is smaller than the sum of its proper divisors (111792534).

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

74249994 is a wasteful number, since it uses less digits than its factorization.

74249994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19459 (or 19452 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 74249994 is about 8616.8436216517. The cubic root of 74249994 is about 420.3058882769.

The spelling of 74249994 in words is "seventy-four million, two hundred forty-nine thousand, nine hundred ninety-four".