74324394 has 24 divisors (see below), whose sum is σ = 162465732. Its totient is φ = 24554880.

The previous prime is 74324389. The next prime is 74324399. The reversal of 74324394 is 49342347.

It is an interprime number because it is at equal distance from previous prime (74324389) and next prime (74324399).

It can be written as a sum of positive squares in 2 ways, for example, as 74183769 + 140625 = 8613^2 + 375^2 .

It is not an unprimeable number, because it can be changed into a prime (74324399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16237 + ... + 20304.

Almost surely, 2^74324394 is an apocalyptic number.

74324394 is an abundant number, since it is smaller than the sum of its proper divisors (88141338).

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

74324394 is a wasteful number, since it uses less digits than its factorization.

74324394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36662 (or 36659 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 74324394 is about 8621.1596667734. The cubic root of 74324394 is about 420.4462264219.

The spelling of 74324394 in words is "seventy-four million, three hundred twenty-four thousand, three hundred ninety-four".