68707723 has 8 divisors (see below), whose sum is σ = 78583520. Its totient is φ = 58847040.

The previous prime is 68707703. The next prime is 68707747. The reversal of 68707723 is 32770786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68707723 - 2¹³ = 68699531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68707703) 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 in 7 ways as a sum of consecutive naturals, for example, 8743 + ... + 14623.

It is an arithmetic number, because the mean of its divisors is an integer number (9822940).

Almost surely, 2^68707723 is an apocalyptic number.

68707723 is a deficient number, since it is larger than the sum of its proper divisors (9875797).

68707723 is a wasteful number, since it uses less digits than its factorization.

68707723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557.

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

The square root of 68707723 is about 8289.0121848143. The cubic root of 68707723 is about 409.5766460932.

The spelling of 68707723 in words is "sixty-eight million, seven hundred seven thousand, seven hundred twenty-three".