68938727 has 16 divisors (see below), whose sum is σ = 82373760. Its totient is φ = 56863200.

The previous prime is 68938711. The next prime is 68938729. The reversal of 68938727 is 72783986.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 68938727 - 2⁴ = 68938711 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 (68938729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4352 + ... + 12522.

It is an arithmetic number, because the mean of its divisors is an integer number (5148360).

Almost surely, 2^68938727 is an apocalyptic number.

68938727 is a deficient number, since it is larger than the sum of its proper divisors (13435033).

68938727 is a wasteful number, since it uses less digits than its factorization.

68938727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254.

The product of its digits is 1016064, while the sum is 50.

The square root of 68938727 is about 8302.9348425722. The cubic root of 68938727 is about 410.0351486821.

The spelling of 68938727 in words is "sixty-eight million, nine hundred thirty-eight thousand, seven hundred twenty-seven".