68663298 has 16 divisors (see below), whose sum is σ = 149810976. Its totient is φ = 20807040.

The previous prime is 68663297. The next prime is 68663311. The reversal of 68663298 is 89236686.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68663297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520111 + ... + 520242.

It is an arithmetic number, because the mean of its divisors is an integer number (9363186).

Almost surely, 2^68663298 is an apocalyptic number.

68663298 is an abundant number, since it is smaller than the sum of its proper divisors (81147678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68663298 is a wasteful number, since it uses less digits than its factorization.

68663298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040369.

The product of its digits is 746496, while the sum is 48.

The square root of 68663298 is about 8286.3319991417. The cubic root of 68663298 is about 409.4883524501.

It can be divided in two parts, 68 and 663298, that added together give a palindrome (663366).

The spelling of 68663298 in words is "sixty-eight million, six hundred sixty-three thousand, two hundred ninety-eight".