682662731 has 2 divisors, whose sum is σ = 682662732. Its totient is φ = 682662730.

The previous prime is 682662709. The next prime is 682662787. The reversal of 682662731 is 137266286.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 682662731 - 2⁶ = 682662667 is a prime.

It is a super-4 number, since 4×682662731⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (682662791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341331365 + 341331366.

It is an arithmetic number, because the mean of its divisors is an integer number (341331366).

Almost surely, 2^682662731 is an apocalyptic number.

682662731 is a deficient number, since it is larger than the sum of its proper divisors (1).

682662731 is an equidigital number, since it uses as much as digits as its factorization.

682662731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 682662731 is about 26127.8152741480. The cubic root of 682662731 is about 880.5122409409.

The spelling of 682662731 in words is "six hundred eighty-two million, six hundred sixty-two thousand, seven hundred thirty-one".