681200760 has 64 divisors (see below), whose sum is σ = 2045515680. Its totient is φ = 181483520.

The previous prime is 681200753. The next prime is 681200777. The reversal of 681200760 is 67002186.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 175804 + ... + 179636.

Almost surely, 2^681200760 is an apocalyptic number.

681200760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

681200760 is an abundant number, since it is smaller than the sum of its proper divisors (1364314920).

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

681200760 is a wasteful number, since it uses less digits than its factorization.

681200760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5328 (or 5324 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 681200760 is about 26099.8229879055. The cubic root of 681200760 is about 879.8832317517.

The spelling of 681200760 in words is "six hundred eighty-one million, two hundred thousand, seven hundred sixty".