6980731 has 2 divisors, whose sum is σ = 6980732. Its totient is φ = 6980730.

The previous prime is 6980717. The next prime is 6980737. The reversal of 6980731 is 1370896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6980731 - 2⁹ = 6980219 is a prime.

It is a super-2 number, since 2×6980731² = 97461210588722, which contains 22 as substring.

6980731 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6980737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3490365 + 3490366.

It is an arithmetic number, because the mean of its divisors is an integer number (3490366).

Almost surely, 2^6980731 is an apocalyptic number.

6980731 is a deficient number, since it is larger than the sum of its proper divisors (1).

6980731 is an equidigital number, since it uses as much as digits as its factorization.

6980731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 6980731 is about 2642.1073028929. The cubic root of 6980731 is about 191.1174318739.

The spelling of 6980731 in words is "six million, nine hundred eighty thousand, seven hundred thirty-one".