68732999 has 2 divisors, whose sum is σ = 68733000. Its totient is φ = 68732998.

The previous prime is 68732981. The next prime is 68733001. The reversal of 68732999 is 99923786.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68732999 is a prime.

Together with 68733001, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68732999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68732969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34366499 + 34366500.

It is an arithmetic number, because the mean of its divisors is an integer number (34366500).

Almost surely, 2^68732999 is an apocalyptic number.

68732999 is a deficient number, since it is larger than the sum of its proper divisors (1).

68732999 is an equidigital number, since it uses as much as digits as its factorization.

68732999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 53.

The square root of 68732999 is about 8290.5367136272. The cubic root of 68732999 is about 409.6268645627.

The spelling of 68732999 in words is "sixty-eight million, seven hundred thirty-two thousand, nine hundred ninety-nine".