3662731 has 2 divisors, whose sum is σ = 3662732. Its totient is φ = 3662730.

The previous prime is 3662723. The next prime is 3662753. The reversal of 3662731 is 1372663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3662731 - 2³ = 3662723 is a prime.

It is a super-2 number, since 2×3662731² = 26831196756722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3662731.

It is not a weakly prime, because it can be changed into another prime (3662761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1831365 + 1831366.

It is an arithmetic number, because the mean of its divisors is an integer number (1831366).

Almost surely, 2^3662731 is an apocalyptic number.

3662731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3662731 is an equidigital number, since it uses as much as digits as its factorization.

3662731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 28.

The square root of 3662731 is about 1913.8262721574. The cubic root of 3662731 is about 154.1469755550.

The spelling of 3662731 in words is "three million, six hundred sixty-two thousand, seven hundred thirty-one".