68426755 has 8 divisors (see below), whose sum is σ = 82181952. Its totient is φ = 54694848.

The previous prime is 68426753. The next prime is 68426759. The reversal of 68426755 is 55762486.

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

It is a cyclic number.

It is not a de Polignac number, because 68426755 - 2¹ = 68426753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68426753) 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, 1479 + ... + 11791.

It is an arithmetic number, because the mean of its divisors is an integer number (10272744).

Almost surely, 2^68426755 is an apocalyptic number.

68426755 is a deficient number, since it is larger than the sum of its proper divisors (13755197).

68426755 is a wasteful number, since it uses less digits than its factorization.

68426755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11645.

The product of its digits is 403200, while the sum is 43.

The square root of 68426755 is about 8272.0466028668. The cubic root of 68426755 is about 409.0175864175.

The spelling of 68426755 in words is "sixty-eight million, four hundred twenty-six thousand, seven hundred fifty-five".