68968761 has 8 divisors (see below), whose sum is σ = 93253824. Its totient is φ = 45331440.

The previous prime is 68968751. The next prime is 68968799. The reversal of 68968761 is 16786986.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68968761 - 2⁷ = 68968633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68968751) 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, 161686 + ... + 162111.

It is an arithmetic number, because the mean of its divisors is an integer number (11656728).

Almost surely, 2^68968761 is an apocalyptic number.

It is an amenable number.

68968761 is a deficient number, since it is larger than the sum of its proper divisors (24285063).

68968761 is a wasteful number, since it uses less digits than its factorization.

68968761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323871.

The product of its digits is 870912, while the sum is 51.

The square root of 68968761 is about 8304.7432832087. The cubic root of 68968761 is about 410.0946856469.

The spelling of 68968761 in words is "sixty-eight million, nine hundred sixty-eight thousand, seven hundred sixty-one".