68201536 has 28 divisors (see below), whose sum is σ = 145749772. Its totient is φ = 31477248.

The previous prime is 68201527. The next prime is 68201537. The reversal of 68201536 is 63510286.

It can be written as a sum of positive squares in 2 ways, for example, as 11289600 + 56911936 = 3360^2 + 7544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68201498 and 68201507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68201537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40155 + ... + 41818.

It is an arithmetic number, because the mean of its divisors is an integer number (5205349).

Almost surely, 2^68201536 is an apocalyptic number.

It is an amenable number.

68201536 is an abundant number, since it is smaller than the sum of its proper divisors (77548236).

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

68201536 is a wasteful number, since it uses less digits than its factorization.

68201536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81998 (or 81988 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 68201536 is about 8258.4221253215. The cubic root of 68201536 is about 408.5683479924.

The spelling of 68201536 in words is "sixty-eight million, two hundred one thousand, five hundred thirty-six".