68506339 has 8 divisors (see below), whose sum is σ = 75758832. Its totient is φ = 61424640.

The previous prime is 68506331. The next prime is 68506387. The reversal of 68506339 is 93360586.

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 68506339 - 2³ = 68506331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68506331) 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, 41854 + ... + 43459.

It is an arithmetic number, because the mean of its divisors is an integer number (9469854).

Almost surely, 2^68506339 is an apocalyptic number.

68506339 is a deficient number, since it is larger than the sum of its proper divisors (7252493).

68506339 is a wasteful number, since it uses less digits than its factorization.

68506339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85397.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 68506339 is about 8276.8556227592. The cubic root of 68506339 is about 409.1760948066.

The spelling of 68506339 in words is "sixty-eight million, five hundred six thousand, three hundred thirty-nine".