6743731 has 8 divisors (see below), whose sum is σ = 7001120. Its totient is φ = 6490368.

The previous prime is 6743729. The next prime is 6743753. The reversal of 6743731 is 1373476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6743731 - 2¹ = 6743729 is a prime.

It is a super-2 number, since 2×6743731² = 90955815600722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6⁸ + 7 + 4⁹ + 3⁷ + 7⁵ + 3¹⁴ + 1 .

It is a Duffinian number.

6743731 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6743693 and 6743702.

It is not an unprimeable number, because it can be changed into a prime (6743431) 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, 2650 + ... + 4528.

It is an arithmetic number, because the mean of its divisors is an integer number (875140).

Almost surely, 2^6743731 is an apocalyptic number.

6743731 is a deficient number, since it is larger than the sum of its proper divisors (257389).

6743731 is a wasteful number, since it uses less digits than its factorization.

6743731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013.

The product of its digits is 10584, while the sum is 31.

The square root of 6743731 is about 2596.8694614863. The cubic root of 6743731 is about 188.9296323618.

The spelling of 6743731 in words is "six million, seven hundred forty-three thousand, seven hundred thirty-one".