68427959 has 4 divisors (see below), whose sum is σ = 68445720. Its totient is φ = 68410200.

The previous prime is 68427923. The next prime is 68427973. The reversal of 68427959 is 95972486.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95972486 = 2 ⋅47986243.

It is a cyclic number.

It is not a de Polignac number, because 68427959 - 2¹² = 68423863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68427259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404 + ... + 11705.

It is an arithmetic number, because the mean of its divisors is an integer number (17111430).

Almost surely, 2^68427959 is an apocalyptic number.

68427959 is a deficient number, since it is larger than the sum of its proper divisors (17761).

68427959 is a wasteful number, since it uses less digits than its factorization.

68427959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17760.

The product of its digits is 1088640, while the sum is 50.

The square root of 68427959 is about 8272.1193777653. The cubic root of 68427959 is about 409.0199853538.

The spelling of 68427959 in words is "sixty-eight million, four hundred twenty-seven thousand, nine hundred fifty-nine".