681773050 has 24 divisors (see below), whose sum is σ = 1449255456. Its totient is φ = 233750640.

The previous prime is 681773033. The next prime is 681773089. The reversal of 681773050 is 50377186.

681773050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 973612 + ... + 974311.

It is an arithmetic number, because the mean of its divisors is an integer number (60385644).

Almost surely, 2^681773050 is an apocalyptic number.

681773050 is an abundant number, since it is smaller than the sum of its proper divisors (767482406).

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

681773050 is a wasteful number, since it uses less digits than its factorization.

681773050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947942 (or 1947937 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 681773050 is about 26110.7841705300. The cubic root of 681773050 is about 880.1295651170.

The spelling of 681773050 in words is "six hundred eighty-one million, seven hundred seventy-three thousand, fifty".