683673761 has 2 divisors, whose sum is σ = 683673762. Its totient is φ = 683673760.

The previous prime is 683673737. The next prime is 683673799. The reversal of 683673761 is 167376386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508773136 + 174900625 = 22556^2 + 13225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-683673761 is a prime.

It is a super-2 number, since 2×683673761² = 934819622959770242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (683673701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341836880 + 341836881.

It is an arithmetic number, because the mean of its divisors is an integer number (341836881).

Almost surely, 2^683673761 is an apocalyptic number.

It is an amenable number.

683673761 is a deficient number, since it is larger than the sum of its proper divisors (1).

683673761 is an equidigital number, since it uses as much as digits as its factorization.

683673761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 47.

The square root of 683673761 is about 26147.1558874001. The cubic root of 683673761 is about 880.9467088633.

The spelling of 683673761 in words is "six hundred eighty-three million, six hundred seventy-three thousand, seven hundred sixty-one".