681753000 has 64 divisors (see below), whose sum is σ = 2127078720. Its totient is φ = 181800000.

The previous prime is 681752999. The next prime is 681753011. The reversal of 681753000 is 357186.

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

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, 110626 + ... + 116625.

It is an arithmetic number, because the mean of its divisors is an integer number (33235605).

Almost surely, 2^681753000 is an apocalyptic number.

681753000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

681753000 is an abundant number, since it is smaller than the sum of its proper divisors (1445325720).

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

681753000 is a wasteful number, since it uses less digits than its factorization.

681753000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227275 (or 227261 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 681753000 is about 26110.4002267296. The cubic root of 681753000 is about 880.1209372357.

The spelling of 681753000 in words is "six hundred eighty-one million, seven hundred fifty-three thousand".