68851782 has 40 divisors (see below), whose sum is σ = 162406200. Its totient is φ = 21741696.

The previous prime is 68851759. The next prime is 68851789. The reversal of 68851782 is 28715886.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68851789) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8107 + ... + 14262.

It is an arithmetic number, because the mean of its divisors is an integer number (4060155).

Almost surely, 2^68851782 is an apocalyptic number.

68851782 is an abundant number, since it is smaller than the sum of its proper divisors (93554418).

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

68851782 is a wasteful number, since it uses less digits than its factorization.

68851782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22402 (or 22393 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 68851782 is about 8297.6973914454. The cubic root of 68851782 is about 409.8626984235.

The spelling of 68851782 in words is "sixty-eight million, eight hundred fifty-one thousand, seven hundred eighty-two".