74491234 has 8 divisors (see below), whose sum is σ = 111801168. Its totient is φ = 37224180.

The previous prime is 74491223. The next prime is 74491243. The reversal of 74491234 is 43219447.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 74491234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5952 + ... + 13579.

It is an arithmetic number, because the mean of its divisors is an integer number (13975146).

Almost surely, 2^74491234 is an apocalyptic number.

74491234 is a deficient number, since it is larger than the sum of its proper divisors (37309934).

74491234 is a wasteful number, since it uses less digits than its factorization.

74491234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21440.

The product of its digits is 24192, while the sum is 34.

The square root of 74491234 is about 8630.8304351320. The cubic root of 74491234 is about 420.7605908013.

The spelling of 74491234 in words is "seventy-four million, four hundred ninety-one thousand, two hundred thirty-four".