74149504 has 64 divisors (see below), whose sum is σ = 173587680. Its totient is φ = 31104000.

The previous prime is 74149499. The next prime is 74149519. The reversal of 74149504 is 40594147.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 74149504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16279 + ... + 20329.

Almost surely, 2^74149504 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 74149504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86793840).

74149504 is an abundant number, since it is smaller than the sum of its proper divisors (99438176).

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

74149504 is a wasteful number, since it uses less digits than its factorization.

74149504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089 (or 4077 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 74149504 is about 8611.0106259370. The cubic root of 74149504 is about 420.1161885652.

The spelling of 74149504 in words is "seventy-four million, one hundred forty-nine thousand, five hundred four".