68563417 has 4 divisors (see below), whose sum is σ = 73837540. Its totient is φ = 63289296.

The previous prime is 68563409. The next prime is 68563421. The reversal of 68563417 is 71436586.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6405961 + 62157456 = 2531^2 + 7884^2 .

It is a cyclic number.

It is not a de Polignac number, because 68563417 - 2³ = 68563409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68563417.

It is not an unprimeable number, because it can be changed into a prime (68563447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2637042 + ... + 2637067.

It is an arithmetic number, because the mean of its divisors is an integer number (18459385).

Almost surely, 2^68563417 is an apocalyptic number.

It is an amenable number.

68563417 is a deficient number, since it is larger than the sum of its proper divisors (5274123).

68563417 is a wasteful number, since it uses less digits than its factorization.

68563417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274122.

The product of its digits is 120960, while the sum is 40.

The square root of 68563417 is about 8280.3029533949. The cubic root of 68563417 is about 409.2897021516.

The spelling of 68563417 in words is "sixty-eight million, five hundred sixty-three thousand, four hundred seventeen".