68732707 has 2 divisors, whose sum is σ = 68732708. Its totient is φ = 68732706.

The previous prime is 68732693. The next prime is 68732723. The reversal of 68732707 is 70723786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68732707 - 2¹⁹ = 68208419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68732707.

It is not a weakly prime, because it can be changed into another prime (68732737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34366353 + 34366354.

It is an arithmetic number, because the mean of its divisors is an integer number (34366354).

Almost surely, 2^68732707 is an apocalyptic number.

68732707 is a deficient number, since it is larger than the sum of its proper divisors (1).

68732707 is an equidigital number, since it uses as much as digits as its factorization.

68732707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 68732707 is about 8290.5191031684. The cubic root of 68732707 is about 409.6262844861.

The spelling of 68732707 in words is "sixty-eight million, seven hundred thirty-two thousand, seven hundred seven".