680747043 has 8 divisors (see below), whose sum is σ = 908928000. Its totient is φ = 453198728.

The previous prime is 680747033. The next prime is 680747057. The reversal of 680747043 is 340747086.

It is a happy number.

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 680747043 - 2¹² = 680742947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 680746992 and 680747010.

It is not an unprimeable number, because it can be changed into a prime (680747033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155643 + ... + 159956.

It is an arithmetic number, because the mean of its divisors is an integer number (113616000).

Almost surely, 2^680747043 is an apocalyptic number.

680747043 is a deficient number, since it is larger than the sum of its proper divisors (228180957).

680747043 is a wasteful number, since it uses less digits than its factorization.

680747043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316321.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 680747043 is about 26091.1295845925. The cubic root of 680747043 is about 879.6878382299.

The spelling of 680747043 in words is "six hundred eighty million, seven hundred forty-seven thousand, forty-three".