682421810 has 16 divisors (see below), whose sum is σ = 1403839296. Its totient is φ = 233973168.

The previous prime is 682421809. The next prime is 682421813. The reversal of 682421810 is 18124286.

It is a happy number.

682421810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×682421810² = 931399053527352200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (682421813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4874372 + ... + 4874511.

It is an arithmetic number, because the mean of its divisors is an integer number (87739956).

Almost surely, 2^682421810 is an apocalyptic number.

682421810 is an abundant number, since it is smaller than the sum of its proper divisors (721417486).

682421810 is a wasteful number, since it uses less digits than its factorization.

682421810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9748897.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 682421810 is about 26123.2044359033. The cubic root of 682421810 is about 880.4086471555.

The spelling of 682421810 in words is "six hundred eighty-two million, four hundred twenty-one thousand, eight hundred ten".