68837047 has 2 divisors, whose sum is σ = 68837048. Its totient is φ = 68837046.

The previous prime is 68837017. The next prime is 68837099. The reversal of 68837047 is 74073886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68837047 - 2¹¹ = 68834999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68836994 and 68837012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68837017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34418523 + 34418524.

It is an arithmetic number, because the mean of its divisors is an integer number (34418524).

Almost surely, 2^68837047 is an apocalyptic number.

68837047 is a deficient number, since it is larger than the sum of its proper divisors (1).

68837047 is an equidigital number, since it uses as much as digits as its factorization.

68837047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 68837047 is about 8296.8094470103. The cubic root of 68837047 is about 409.8334580390.

The spelling of 68837047 in words is "sixty-eight million, eight hundred thirty-seven thousand, forty-seven".