68021260 has 24 divisors (see below), whose sum is σ = 145542096. Its totient is φ = 26694720.

The previous prime is 68021257. The next prime is 68021263. The reversal of 68021260 is 6212086.

It is an interprime number because it is at equal distance from previous prime (68021257) and next prime (68021263).

It is not an unprimeable number, because it can be changed into a prime (68021263) 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 7 ways as a sum of consecutive naturals, for example, 31026 + ... + 33145.

It is an arithmetic number, because the mean of its divisors is an integer number (6064254).

Almost surely, 2^68021260 is an apocalyptic number.

It is an amenable number.

68021260 is an abundant number, since it is smaller than the sum of its proper divisors (77520836).

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

68021260 is a wasteful number, since it uses less digits than its factorization.

68021260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64233 (or 64231 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 68021260 is about 8247.5002273416. The cubic root of 68021260 is about 408.2080430082.

The spelling of 68021260 in words is "sixty-eight million, twenty-one thousand, two hundred sixty".