680943375 has 256 divisors, whose sum is σ = 1593446400. Its totient is φ = 279936000.

The previous prime is 680943317. The next prime is 680943377. The reversal of 680943375 is 573349086.

It is not a de Polignac number, because 680943375 - 2¹⁰ = 680942351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 680943375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680943377) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 16608355 + ... + 16608395.

It is an arithmetic number, because the mean of its divisors is an integer number (6224400).

Almost surely, 2^680943375 is an apocalyptic number.

680943375 is an abundant number, since it is smaller than the sum of its proper divisors (912503025).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680943375 is a wasteful number, since it uses less digits than its factorization.

680943375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 680943375 is about 26094.8917414884. The cubic root of 680943375 is about 879.7723993864.

The spelling of 680943375 in words is "six hundred eighty million, nine hundred forty-three thousand, three hundred seventy-five".