680672271 has 8 divisors (see below), whose sum is σ = 908704944. Its totient is φ = 453210560.

The previous prime is 680672249. The next prime is 680672309. The reversal of 680672271 is 172276086.

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

It is a cyclic number.

It is not a de Polignac number, because 680672271 - 2¹⁹ = 680147983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680672071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139950 + ... + 144731.

It is an arithmetic number, because the mean of its divisors is an integer number (113588118).

Almost surely, 2^680672271 is an apocalyptic number.

680672271 is a deficient number, since it is larger than the sum of its proper divisors (228032673).

680672271 is a wasteful number, since it uses less digits than its factorization.

680672271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285481.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 680672271 is about 26089.6966444610. The cubic root of 680672271 is about 879.6556292872.

The spelling of 680672271 in words is "six hundred eighty million, six hundred seventy-two thousand, two hundred seventy-one".