68759745 has 16 divisors (see below), whose sum is σ = 110678400. Its totient is φ = 36450944.

The previous prime is 68759741. The next prime is 68759759. The reversal of 68759745 is 54795786.

It is a cyclic number.

It is not a de Polignac number, because 68759745 - 2² = 68759741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68759741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11220 + ... + 16229.

It is an arithmetic number, because the mean of its divisors is an integer number (6917400).

Almost surely, 2^68759745 is an apocalyptic number.

It is an amenable number.

68759745 is a deficient number, since it is larger than the sum of its proper divisors (41918655).

68759745 is a wasteful number, since it uses less digits than its factorization.

68759745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27624.

The product of its digits is 2116800, while the sum is 51.

The square root of 68759745 is about 8292.1496006765. The cubic root of 68759745 is about 409.6799902302.

The spelling of 68759745 in words is "sixty-eight million, seven hundred fifty-nine thousand, seven hundred forty-five".