74304490 has 32 divisors (see below), whose sum is σ = 150304896. Its totient is φ = 26241600.

The previous prime is 74304469. The next prime is 74304491. The reversal of 74304490 is 9440347.

It is not an unprimeable number, because it can be changed into a prime (74304491) 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, 9436 + ... + 15415.

It is an arithmetic number, because the mean of its divisors is an integer number (4697028).

Almost surely, 2^74304490 is an apocalyptic number.

74304490 is an abundant number, since it is smaller than the sum of its proper divisors (76000406).

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

74304490 is a wasteful number, since it uses less digits than its factorization.

74304490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24894.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 74304490 is about 8620.0052204161. The cubic root of 74304490 is about 420.4086913750.

The spelling of 74304490 in words is "seventy-four million, three hundred four thousand, four hundred ninety".