74494668 has 48 divisors (see below), whose sum is σ = 183653120. Its totient is φ = 23436864.

The previous prime is 74494661. The next prime is 74494681. The reversal of 74494668 is 86649447.

It is not an unprimeable number, because it can be changed into a prime (74494661) 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, 90105 + ... + 90927.

Almost surely, 2^74494668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74494668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91826560).

74494668 is an abundant number, since it is smaller than the sum of its proper divisors (109158452).

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

74494668 is a wasteful number, since it uses less digits than its factorization.

74494668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246 (or 1244 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 74494668 is about 8631.0293708225. The cubic root of 74494668 is about 420.7670563033.

The spelling of 74494668 in words is "seventy-four million, four hundred ninety-four thousand, six hundred sixty-eight".