682847730 has 48 divisors (see below), whose sum is σ = 1788395544. Its totient is φ = 180760320.

The previous prime is 682847701. The next prime is 682847749. The reversal of 682847730 is 37748286.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 670758201 + 12089529 = 25899^2 + 3477^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15361 + ... + 40020.

Almost surely, 2^682847730 is an apocalyptic number.

682847730 is an abundant number, since it is smaller than the sum of its proper divisors (1105547814).

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

682847730 is a wasteful number, since it uses less digits than its factorization.

682847730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55531 (or 55528 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 682847730 is about 26131.3553035429. The cubic root of 682847730 is about 880.5917722450.

The spelling of 682847730 in words is "six hundred eighty-two million, eight hundred forty-seven thousand, seven hundred thirty".