74344290 has 32 divisors (see below), whose sum is σ = 178678656. Its totient is φ = 19797120.

The previous prime is 74344253. The next prime is 74344297. The reversal of 74344290 is 9244347.

It is not an unprimeable number, because it can be changed into a prime (74344297) 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, 28230 + ... + 30750.

It is an arithmetic number, because the mean of its divisors is an integer number (5583708).

Almost surely, 2^74344290 is an apocalyptic number.

74344290 is an abundant number, since it is smaller than the sum of its proper divisors (104334366).

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

74344290 is a wasteful number, since it uses less digits than its factorization.

74344290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 74344290 is about 8622.3134946486. The cubic root of 74344290 is about 420.4837396857.

The spelling of 74344290 in words is "seventy-four million, three hundred forty-four thousand, two hundred ninety".