68040427 has 16 divisors (see below), whose sum is σ = 84127680. Its totient is φ = 53586432.

The previous prime is 68040421. The next prime is 68040431. The reversal of 68040427 is 72404086.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68040427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68040421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19599 + ... + 22807.

It is an arithmetic number, because the mean of its divisors is an integer number (5257980).

Almost surely, 2^68040427 is an apocalyptic number.

68040427 is a deficient number, since it is larger than the sum of its proper divisors (16087253).

68040427 is a wasteful number, since it uses less digits than its factorization.

68040427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 68040427 is about 8248.6621339463. The cubic root of 68040427 is about 408.2463809670.

The spelling of 68040427 in words is "sixty-eight million, forty thousand, four hundred twenty-seven".