3747216 has 80 divisors (see below), whose sum is σ = 10856448. Its totient is φ = 1104000.

The previous prime is 3747197. The next prime is 3747223. The reversal of 3747216 is 6127473.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24741 + ... + 24891.

Almost surely, 2^3747216 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 3747216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5428224).

3747216 is an abundant number, since it is smaller than the sum of its proper divisors (7109232).

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

3747216 is a wasteful number, since it uses less digits than its factorization.

3747216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 214 counting only the distinct ones).

The product of its digits is 7056, while the sum is 30.

The square root of 3747216 is about 1935.7727139311. The cubic root of 3747216 is about 155.3231689559.

The spelling of 3747216 in words is "three million, seven hundred forty-seven thousand, two hundred sixteen".