6996731 has 16 divisors (see below), whose sum is σ = 8693760. Its totient is φ = 5495040.

The previous prime is 6996721. The next prime is 6996733. The reversal of 6996731 is 1376996.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6996731 is a prime.

It is a super-2 number, since 2×6996731² = 97908489372722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6996733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3275 + ... + 4971.

It is an arithmetic number, because the mean of its divisors is an integer number (543360).

Almost surely, 2^6996731 is an apocalyptic number.

6996731 is a deficient number, since it is larger than the sum of its proper divisors (1697029).

6996731 is a wasteful number, since it uses less digits than its factorization.

6996731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754.

The product of its digits is 61236, while the sum is 41.

The square root of 6996731 is about 2645.1334559905. The cubic root of 6996731 is about 191.2633356785.

The spelling of 6996731 in words is "six million, nine hundred ninety-six thousand, seven hundred thirty-one".