68068761 has 8 divisors (see below), whose sum is σ = 90845760. Its totient is φ = 45335472.

The previous prime is 68068757. The next prime is 68068783. The reversal of 68068761 is 16786086.

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

It is not a de Polignac number, because 68068761 - 2² = 68068757 is a prime.

It is a super-3 number, since 3×68068761³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (68068711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7101 + ... + 13658.

It is an arithmetic number, because the mean of its divisors is an integer number (11355720).

Almost surely, 2^68068761 is an apocalyptic number.

It is an amenable number.

68068761 is a deficient number, since it is larger than the sum of its proper divisors (22776999).

68068761 is a wasteful number, since it uses less digits than its factorization.

68068761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21855.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 68068761 is about 8250.3794458194. The cubic root of 68068761 is about 408.3030416328.

The spelling of 68068761 in words is "sixty-eight million, sixty-eight thousand, seven hundred sixty-one".