68453286 has 32 divisors (see below), whose sum is σ = 149924736. Its totient is φ = 20664000.

The previous prime is 68453279. The next prime is 68453309. The reversal of 68453286 is 68235486.

It is a Curzon number.

It is a congruent number.

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, 16701 + ... + 20391.

It is an arithmetic number, because the mean of its divisors is an integer number (4685148).

Almost surely, 2^68453286 is an apocalyptic number.

68453286 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

68453286 is an abundant number, since it is smaller than the sum of its proper divisors (81471450).

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

68453286 is a wasteful number, since it uses less digits than its factorization.

68453286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988.

The product of its digits is 276480, while the sum is 42.

The square root of 68453286 is about 8273.6501013761. The cubic root of 68453286 is about 409.0704421725.

It can be divided in two parts, 68 and 453286, that added together give a palindrome (453354).

The spelling of 68453286 in words is "sixty-eight million, four hundred fifty-three thousand, two hundred eighty-six".