68012039 has 12 divisors (see below), whose sum is σ = 72137016. Its totient is φ = 64112688.

The previous prime is 68012029. The next prime is 68012041. The reversal of 68012039 is 93021086.

It is a de Polignac number, because none of the positive numbers 2^k-68012039 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 (68012029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105452 + ... + 106094.

It is an arithmetic number, because the mean of its divisors is an integer number (6011418).

Almost surely, 2^68012039 is an apocalyptic number.

68012039 is a deficient number, since it is larger than the sum of its proper divisors (4124977).

68012039 is a wasteful number, since it uses less digits than its factorization.

68012039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 68012039 is about 8246.9411905263. The cubic root of 68012039 is about 408.1895965379.

The spelling of 68012039 in words is "sixty-eight million, twelve thousand, thirty-nine".