68826761 has 16 divisors (see below), whose sum is σ = 74649600. Its totient is φ = 63221760.

The previous prime is 68826733. The next prime is 68826767. The reversal of 68826761 is 16762886.

It is a cyclic number.

It is not a de Polignac number, because 68826761 - 2¹⁰ = 68825737 is a prime.

It is a super-2 number, since 2×68826761² = 9474246059502242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68826767) 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 15 ways as a sum of consecutive naturals, for example, 153065 + ... + 153513.

It is an arithmetic number, because the mean of its divisors is an integer number (4665600).

Almost surely, 2^68826761 is an apocalyptic number.

It is an amenable number.

68826761 is a deficient number, since it is larger than the sum of its proper divisors (5822839).

68826761 is a wasteful number, since it uses less digits than its factorization.

68826761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

The product of its digits is 193536, while the sum is 44.

The square root of 68826761 is about 8296.1895470149. The cubic root of 68826761 is about 409.8130438525.

The spelling of 68826761 in words is "sixty-eight million, eight hundred twenty-six thousand, seven hundred sixty-one".