682552990 has 64 divisors (see below), whose sum is σ = 1470389760. Its totient is φ = 223171200.

The previous prime is 682552987. The next prime is 682552999. The reversal of 682552990 is 99255286.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 682552990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682552999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166465 + ... + 170515.

It is an arithmetic number, because the mean of its divisors is an integer number (22974840).

Almost surely, 2^682552990 is an apocalyptic number.

682552990 is an abundant number, since it is smaller than the sum of its proper divisors (787836770).

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

682552990 is a wasteful number, since it uses less digits than its factorization.

682552990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 682552990 is about 26125.7151098300. The cubic root of 682552990 is about 880.4650563563.

The spelling of 682552990 in words is "six hundred eighty-two million, five hundred fifty-two thousand, nine hundred ninety".