682427540 has 12 divisors (see below), whose sum is σ = 1433097876. Its totient is φ = 272971008.

The previous prime is 682427533. The next prime is 682427561. The reversal of 682427540 is 45724286.

It can be written as a sum of positive squares in 2 ways, for example, as 539911696 + 142515844 = 23236^2 + 11938^2 .

It is a junction number, because it is equal to n+sod(n) for n = 682427494 and 682427503.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17060669 + ... + 17060708.

It is an arithmetic number, because the mean of its divisors is an integer number (119424823).

Almost surely, 2^682427540 is an apocalyptic number.

It is an amenable number.

682427540 is an abundant number, since it is smaller than the sum of its proper divisors (750670336).

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

682427540 is a wasteful number, since it uses less digits than its factorization.

682427540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34121386 (or 34121384 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 682427540 is about 26123.3141082827. The cubic root of 682427540 is about 880.4111112851.

The spelling of 682427540 in words is "six hundred eighty-two million, four hundred twenty-seven thousand, five hundred forty".