68238366 has 32 divisors (see below), whose sum is σ = 156619008. Its totient is φ = 19416000.

The previous prime is 68238337. The next prime is 68238413. The reversal of 68238366 is 66383286.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7306 + ... + 13778.

It is an arithmetic number, because the mean of its divisors is an integer number (4894344).

Almost surely, 2^68238366 is an apocalyptic number.

68238366 is an abundant number, since it is smaller than the sum of its proper divisors (88380642).

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

68238366 is a wasteful number, since it uses less digits than its factorization.

68238366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736.

The product of its digits is 248832, while the sum is 42.

The square root of 68238366 is about 8260.6516692087. The cubic root of 68238366 is about 408.6418793980.

The spelling of 68238366 in words is "sixty-eight million, two hundred thirty-eight thousand, three hundred sixty-six".