74423590 has 16 divisors (see below), whose sum is σ = 134080560. Its totient is φ = 29743200.

The previous prime is 74423579. The next prime is 74423593. The reversal of 74423590 is 9532447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74423593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12040 + ... + 17140.

It is an arithmetic number, because the mean of its divisors is an integer number (8380035).

Almost surely, 2^74423590 is an apocalyptic number.

74423590 is a deficient number, since it is larger than the sum of its proper divisors (59656970).

74423590 is a wasteful number, since it uses less digits than its factorization.

74423590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 74423590 is about 8626.9108028309. The cubic root of 74423590 is about 420.6331908042.

The spelling of 74423590 in words is "seventy-four million, four hundred twenty-three thousand, five hundred ninety".