682492590 has 144 divisors (see below), whose sum is σ = 1977865344. Its totient is φ = 162311040.

The previous prime is 682492579. The next prime is 682492609. The reversal of 682492590 is 95294286.

It is a super-2 number, since 2×682492590² = 931592270809816200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1124067 + ... + 1124673.

It is an arithmetic number, because the mean of its divisors is an integer number (13735176).

Almost surely, 2^682492590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 682492590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988932672).

682492590 is an abundant number, since it is smaller than the sum of its proper divisors (1295372754).

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

682492590 is a wasteful number, since it uses less digits than its factorization.

682492590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 682492590 is about 26124.5591350361. The cubic root of 682492590 is about 880.4390844250.

The spelling of 682492590 in words is "six hundred eighty-two million, four hundred ninety-two thousand, five hundred ninety".