3700872 has 72 divisors (see below), whose sum is σ = 11670750. Its totient is φ = 1056384.

The previous prime is 3700871. The next prime is 3700889. The reversal of 3700872 is 2780073.

It can be written as a sum of positive squares in only one way, i.e., 2414916 + 1285956 = 1554^2 + 1134^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3700871) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3004 + ... + 4052.

Almost surely, 2^3700872 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 3700872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5835375).

3700872 is an abundant number, since it is smaller than the sum of its proper divisors (7969878).

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

3700872 is a wasteful number, since it uses less digits than its factorization.

3700872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 3700872 is about 1923.7650584206. The cubic root of 3700872 is about 154.6801869209.

The spelling of 3700872 in words is "three million, seven hundred thousand, eight hundred seventy-two".