74404494 has 80 divisors (see below), whose sum is σ = 183300480. Its totient is φ = 22453200.

The previous prime is 74404493. The next prime is 74404501. The reversal of 74404494 is 49440447.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74404493) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70269 + ... + 71319.

It is an arithmetic number, because the mean of its divisors is an integer number (2291256).

Almost surely, 2^74404494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74404494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91650240).

74404494 is an abundant number, since it is smaller than the sum of its proper divisors (108895986).

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

74404494 is a wasteful number, since it uses less digits than its factorization.

74404494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 74404494 is about 8625.8039625301. The cubic root of 74404494 is about 420.5972116274.

The spelling of 74404494 in words is "seventy-four million, four hundred four thousand, four hundred ninety-four".