68563418 has 32 divisors (see below), whose sum is σ = 129185280. Its totient is φ = 26512560.

The previous prime is 68563409. The next prime is 68563421. The reversal of 68563418 is 81436586.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19805 + ... + 23007.

It is an arithmetic number, because the mean of its divisors is an integer number (4037040).

Almost surely, 2^68563418 is an apocalyptic number.

68563418 is a deficient number, since it is larger than the sum of its proper divisors (60621862).

68563418 is a wasteful number, since it uses less digits than its factorization.

68563418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362.

The product of its digits is 138240, while the sum is 41.

The square root of 68563418 is about 8280.3030137791. The cubic root of 68563418 is about 409.2897041414.

The spelling of 68563418 in words is "sixty-eight million, five hundred sixty-three thousand, four hundred eighteen".