68907838 has 16 divisors (see below), whose sum is σ = 107141760. Its totient is φ = 33211296.

The previous prime is 68907833. The next prime is 68907859. The reversal of 68907838 is 83870986.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68907791 and 68907800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68907833) 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, 3795 + ... + 12337.

It is an arithmetic number, because the mean of its divisors is an integer number (6696360).

Almost surely, 2^68907838 is an apocalyptic number.

68907838 is a deficient number, since it is larger than the sum of its proper divisors (38233922).

68907838 is a wasteful number, since it uses less digits than its factorization.

68907838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8691.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 68907838 is about 8301.0745087609. The cubic root of 68907838 is about 409.9738987945.

The spelling of 68907838 in words is "sixty-eight million, nine hundred seven thousand, eight hundred thirty-eight".