682126920 has 80 divisors (see below), whose sum is σ = 2292715260. Its totient is φ = 181899648.

The previous prime is 682126901. The next prime is 682126943. The reversal of 682126920 is 29621286.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 600152004 + 81974916 = 24498^2 + 9054^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 102027 + ... + 108506.

Almost surely, 2^682126920 is an apocalyptic number.

682126920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

682126920 is an abundant number, since it is smaller than the sum of its proper divisors (1610588340).

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

682126920 is a wasteful number, since it uses less digits than its factorization.

682126920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210556 (or 210543 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 682126920 is about 26117.5596103464. The cubic root of 682126920 is about 880.2818140113.

The spelling of 682126920 in words is "six hundred eighty-two million, one hundred twenty-six thousand, nine hundred twenty".