3747072 has 144 divisors (see below), whose sum is σ = 12362112. Its totient is φ = 983040.

The previous prime is 3747071. The next prime is 3747077. The reversal of 3747072 is 2707473.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3747071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91372 + ... + 91412.

It is an arithmetic number, because the mean of its divisors is an integer number (85848).

Almost surely, 2^3747072 is an apocalyptic number.

3747072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3747072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6181056).

3747072 is an abundant number, since it is smaller than the sum of its proper divisors (8615040).

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

3747072 is a wasteful number, since it uses less digits than its factorization.

3747072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 3747072 is about 1935.7355191244. The cubic root of 3747072 is about 155.3211793168.

The spelling of 3747072 in words is "three million, seven hundred forty-seven thousand, seventy-two".