74247216 has 40 divisors (see below), whose sum is σ = 195892224. Its totient is φ = 24221760.

The previous prime is 74247209. The next prime is 74247253. The reversal of 74247216 is 61274247.

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, 14200 + ... + 18711.

Almost surely, 2^74247216 is an apocalyptic number.

It is an amenable number.

74247216 is an abundant number, since it is smaller than the sum of its proper divisors (121645008).

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

74247216 is a wasteful number, since it uses less digits than its factorization.

74247216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32969 (or 32963 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 74247216 is about 8616.6824242280. The cubic root of 74247216 is about 420.3006464165.

The spelling of 74247216 in words is "seventy-four million, two hundred forty-seven thousand, two hundred sixteen".