68781262 has 16 divisors (see below), whose sum is σ = 114233472. Its totient is φ = 30796920.

The previous prime is 68781253. The next prime is 68781263. The reversal of 68781262 is 26218786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68781263) 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, 21858 + ... + 24805.

It is an arithmetic number, because the mean of its divisors is an integer number (7139592).

Almost surely, 2^68781262 is an apocalyptic number.

68781262 is a deficient number, since it is larger than the sum of its proper divisors (45452210).

68781262 is a wasteful number, since it uses less digits than its factorization.

68781262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46743.

The product of its digits is 64512, while the sum is 40.

The square root of 68781262 is about 8293.4469311620. The cubic root of 68781262 is about 409.7227195190.

The spelling of 68781262 in words is "sixty-eight million, seven hundred eighty-one thousand, two hundred sixty-two".