1685334752 has 36 divisors (see below), whose sum is σ = 3468570840. Its totient is φ = 806021568.

The previous prime is 1685334743. The next prime is 1685334773. The reversal of 1685334752 is 2574335861.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 32852 + ... + 66707.

It is an arithmetic number, because the mean of its divisors is an integer number (96349190).

Almost surely, 2^1685334752 is an apocalyptic number.

It is an amenable number.

1685334752 is an abundant number, since it is smaller than the sum of its proper divisors (1783236088).

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

1685334752 is an equidigital number, since it uses as much as digits as its factorization.

1685334752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99615 (or 99584 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 1685334752 is about 41052.8287941282. The cubic root of 1685334752 is about 1190.0413685216.

The spelling of 1685334752 in words is "one billion, six hundred eighty-five million, three hundred thirty-four thousand, seven hundred fifty-two".