74047224 has 32 divisors (see below), whose sum is σ = 185386320. Its totient is φ = 24646656.

The previous prime is 74047187. The next prime is 74047243. The reversal of 74047224 is 42274047.

It is a junction number, because it is equal to n+sod(n) for n = 74047191 and 74047200.

It is a congruent number.

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, 18664 + ... + 22280.

Almost surely, 2^74047224 is an apocalyptic number.

It is an amenable number.

74047224 is an abundant number, since it is smaller than the sum of its proper divisors (111339096).

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

74047224 is a wasteful number, since it uses less digits than its factorization.

74047224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479 (or 4475 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 74047224 is about 8605.0696685152. The cubic root of 74047224 is about 419.9229337057.

The spelling of 74047224 in words is "seventy-four million, forty-seven thousand, two hundred twenty-four".