3726731 has 2 divisors, whose sum is σ = 3726732. Its totient is φ = 3726730.

The previous prime is 3726721. The next prime is 3726733. The reversal of 3726731 is 1376273.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3726731 - 2¹⁰ = 3725707 is a prime.

It is a super-2 number, since 2×3726731² = 27777047892722, which contains 22 as substring.

Together with 3726733, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3726694 and 3726703.

It is not a weakly prime, because it can be changed into another prime (3726733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1863365 + 1863366.

It is an arithmetic number, because the mean of its divisors is an integer number (1863366).

Almost surely, 2^3726731 is an apocalyptic number.

3726731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3726731 is an equidigital number, since it uses as much as digits as its factorization.

3726731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 29.

The square root of 3726731 is about 1930.4742940531. The cubic root of 3726731 is about 155.0396152644.

The spelling of 3726731 in words is "three million, seven hundred twenty-six thousand, seven hundred thirty-one".