68014939 has 4 divisors (see below), whose sum is σ = 69130000. Its totient is φ = 66899880.

The previous prime is 68014897. The next prime is 68014951. The reversal of 68014939 is 93941086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68014939 - 2⁷ = 68014811 is a prime.

It is a super-4 number, since 4×68014939⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68014139) 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, 557439 + ... + 557560.

It is an arithmetic number, because the mean of its divisors is an integer number (17282500).

Almost surely, 2^68014939 is an apocalyptic number.

68014939 is a deficient number, since it is larger than the sum of its proper divisors (1115061).

68014939 is a wasteful number, since it uses less digits than its factorization.

68014939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115060.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 68014939 is about 8247.1170114168. The cubic root of 68014939 is about 408.1953981235.

The spelling of 68014939 in words is "sixty-eight million, fourteen thousand, nine hundred thirty-nine".