671000697 has 6 divisors (see below), whose sum is σ = 969223242. Its totient is φ = 447333792.

The previous prime is 671000683. The next prime is 671000699. The reversal of 671000697 is 796000176.

It can be written as a sum of positive squares in only one way, i.e., 384003216 + 286997481 = 19596^2 + 16941^2 .

It is not a de Polignac number, because 671000697 - 2²⁰ = 669952121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671000699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37277808 + ... + 37277825.

It is an arithmetic number, because the mean of its divisors is an integer number (161537207).

Almost surely, 2^671000697 is an apocalyptic number.

It is an amenable number.

671000697 is a deficient number, since it is larger than the sum of its proper divisors (298222545).

671000697 is a wasteful number, since it uses less digits than its factorization.

671000697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74555639 (or 74555636 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 671000697 is about 25903.6811476670. The cubic root of 671000697 is about 875.4694393107.

The spelling of 671000697 in words is "six hundred seventy-one million, six hundred ninety-seven", and thus it is an aban number.