68706261 has 48 divisors (see below), whose sum is σ = 116247040. Its totient is φ = 38724480.

The previous prime is 68706247. The next prime is 68706269. The reversal of 68706261 is 16260786.

It is a happy number.

It is not a de Polignac number, because 68706261 - 2⁵ = 68706229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68706269) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68415 + ... + 69411.

Almost surely, 2^68706261 is an apocalyptic number.

It is an amenable number.

68706261 is a deficient number, since it is larger than the sum of its proper divisors (47540779).

68706261 is a wasteful number, since it uses less digits than its factorization.

68706261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 68706261 is about 8288.9239953084. The cubic root of 68706261 is about 409.5737410083.

It can be divided in two parts, 6870 and 6261, that added together give a palindrome (13131).

The spelling of 68706261 in words is "sixty-eight million, seven hundred six thousand, two hundred sixty-one".