3747872 has 24 divisors (see below), whose sum is σ = 7432236. Its totient is φ = 1860352.

The previous prime is 3747847. The next prime is 3747899. The reversal of 3747872 is 2787473.

It can be written as a sum of positive squares in 2 ways, for example, as 2572816 + 1175056 = 1604^2 + 1084^2 .

It is a d-powerful number, because it can be written as 3⁴ + 7⁴ + 4⁵ + 7⁷ + 8⁷ + 7⁷ + 2⁷ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5198 + ... + 5874.

Almost surely, 2^3747872 is an apocalyptic number.

3747872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3747872 is a deficient number, since it is larger than the sum of its proper divisors (3684364).

3747872 is a wasteful number, since it uses less digits than its factorization.

3747872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 852 counting only the distinct ones).

The product of its digits is 65856, while the sum is 38.

The square root of 3747872 is about 1935.9421478960. The cubic root of 3747872 is about 155.3322322226.

The spelling of 3747872 in words is "three million, seven hundred forty-seven thousand, eight hundred seventy-two".