68590356 has 12 divisors (see below), whose sum is σ = 160044192. Its totient is φ = 22863448.

The previous prime is 68590351. The next prime is 68590367. The reversal of 68590356 is 65309586.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68590351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2857920 + ... + 2857943.

It is an arithmetic number, because the mean of its divisors is an integer number (13337016).

Almost surely, 2^68590356 is an apocalyptic number.

It is an amenable number.

68590356 is an abundant number, since it is smaller than the sum of its proper divisors (91453836).

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

68590356 is a wasteful number, since it uses less digits than its factorization.

68590356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715870 (or 5715868 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 68590356 is about 8281.9294853313. The cubic root of 68590356 is about 409.3432993031.

The spelling of 68590356 in words is "sixty-eight million, five hundred ninety thousand, three hundred fifty-six".