6738631 has 2 divisors, whose sum is σ = 6738632. Its totient is φ = 6738630.

The previous prime is 6738623. The next prime is 6738649. The reversal of 6738631 is 1368376.

6738631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6738631 - 2³ = 6738623 is a prime.

It is a super-2 number, since 2×6738631² = 90818295508322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6738031) 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, 3369315 + 3369316.

It is an arithmetic number, because the mean of its divisors is an integer number (3369316).

Almost surely, 2^6738631 is an apocalyptic number.

6738631 is a deficient number, since it is larger than the sum of its proper divisors (1).

6738631 is an equidigital number, since it uses as much as digits as its factorization.

6738631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 6738631 is about 2595.8873242111. The cubic root of 6738631 is about 188.8819938403.

The spelling of 6738631 in words is "six million, seven hundred thirty-eight thousand, six hundred thirty-one".