3681747 has 8 divisors (see below), whose sum is σ = 5454480. Its totient is φ = 2454480.

The previous prime is 3681731. The next prime is 3681749. The reversal of 3681747 is 7471863.

It is not a de Polignac number, because 3681747 - 2⁴ = 3681731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3681749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68154 + ... + 68207.

It is an arithmetic number, because the mean of its divisors is an integer number (681810).

Almost surely, 2^3681747 is an apocalyptic number.

3681747 is a deficient number, since it is larger than the sum of its proper divisors (1772733).

3681747 is a wasteful number, since it uses less digits than its factorization.

3681747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136370 (or 136364 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 3681747 is about 1918.7878986485. The cubic root of 3681747 is about 154.4132796394.

It can be divided in two parts, 36817 and 47, that added together give a square (36864 = 192²).

The spelling of 3681747 in words is "three million, six hundred eighty-one thousand, seven hundred forty-seven".