68069013 has 16 divisors (see below), whose sum is σ = 93358656. Its totient is φ = 44096000.

The previous prime is 68068993. The next prime is 68069063. The reversal of 68069013 is 31096086.

It is not a de Polignac number, because 68069013 - 2⁵ = 68068981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68069063) 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, 15013 + ... + 19013.

It is an arithmetic number, because the mean of its divisors is an integer number (5834916).

Almost surely, 2^68069013 is an apocalyptic number.

It is an amenable number.

68069013 is a deficient number, since it is larger than the sum of its proper divisors (25289643).

68069013 is a wasteful number, since it uses less digits than its factorization.

68069013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 68069013 is about 8250.3947178302. The cubic root of 68069013 is about 408.3035454970.

The spelling of 68069013 in words is "sixty-eight million, sixty-nine thousand, thirteen".