6739731 has 12 divisors (see below), whose sum is σ = 9881352. Its totient is φ = 4425696.

The previous prime is 6739723. The next prime is 6739751. The reversal of 6739731 is 1379376.

It is not a de Polignac number, because 6739731 - 2³ = 6739723 is a prime.

It is a super-2 number, since 2×6739731² = 90847947904722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6739751) 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 in 11 ways as a sum of consecutive naturals, for example, 4986 + ... + 6191.

It is an arithmetic number, because the mean of its divisors is an integer number (823446).

Almost surely, 2^6739731 is an apocalyptic number.

6739731 is a deficient number, since it is larger than the sum of its proper divisors (3141621).

6739731 is a wasteful number, since it uses less digits than its factorization.

6739731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250 (or 11247 counting only the distinct ones).

The product of its digits is 23814, while the sum is 36.

The square root of 6739731 is about 2596.0991891682. The cubic root of 6739731 is about 188.8922708481.

It can be divided in two parts, 673 and 9731, that added together give a square (10404 = 102²).

The spelling of 6739731 in words is "six million, seven hundred thirty-nine thousand, seven hundred thirty-one".