680533071 has 8 divisors (see below), whose sum is σ = 917573040. Its totient is φ = 448590912.

The previous prime is 680533067. The next prime is 680533123. The reversal of 680533071 is 170335086.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 680533071 - 2² = 680533067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680533871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274140 + ... + 1274673.

It is an arithmetic number, because the mean of its divisors is an integer number (114696630).

Almost surely, 2^680533071 is an apocalyptic number.

680533071 is a deficient number, since it is larger than the sum of its proper divisors (237039969).

680533071 is a wasteful number, since it uses less digits than its factorization.

680533071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548905.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 680533071 is about 26087.0287882695. The cubic root of 680533071 is about 879.5956609213.

The spelling of 680533071 in words is "six hundred eighty million, five hundred thirty-three thousand, seventy-one".