6731690 has 16 divisors (see below), whose sum is σ = 13848192. Its totient is φ = 2307984.

The previous prime is 6731657. The next prime is 6731707. The reversal of 6731690 is 961376.

It is a super-2 number, since 2×6731690² = 90631300512200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48014 + ... + 48153.

It is an arithmetic number, because the mean of its divisors is an integer number (865512).

Almost surely, 2^6731690 is an apocalyptic number.

6731690 is an abundant number, since it is smaller than the sum of its proper divisors (7116502).

6731690 is a wasteful number, since it uses less digits than its factorization.

6731690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96181.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 6731690 is about 2594.5500573317. The cubic root of 6731690 is about 188.8171201140.

The spelling of 6731690 in words is "six million, seven hundred thirty-one thousand, six hundred ninety".