74149328 has 20 divisors (see below), whose sum is σ = 156725088. Its totient is φ = 33704160.

The previous prime is 74149319. The next prime is 74149351. The reversal of 74149328 is 82394147.

It is a junction number, because it is equal to n+sod(n) for n = 74149291 and 74149300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210476 + ... + 210827.

Almost surely, 2^74149328 is an apocalyptic number.

It is an amenable number.

74149328 is an abundant number, since it is smaller than the sum of its proper divisors (82575760).

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

74149328 is a wasteful number, since it uses less digits than its factorization.

74149328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421322 (or 421316 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 74149328 is about 8611.0004064568. Note that the first 3 decimals coincide. The cubic root of 74149328 is about 420.1158561714.

The spelling of 74149328 in words is "seventy-four million, one hundred forty-nine thousand, three hundred twenty-eight".