68288542 has 16 divisors (see below), whose sum is σ = 117844992. Its totient is φ = 29071800.

The previous prime is 68288537. The next prime is 68288557. The reversal of 68288542 is 24588286.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14038 + ... + 18265.

It is an arithmetic number, because the mean of its divisors is an integer number (7365312).

Almost surely, 2^68288542 is an apocalyptic number.

68288542 is a deficient number, since it is larger than the sum of its proper divisors (49556450).

68288542 is a wasteful number, since it uses less digits than its factorization.

68288542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32463.

The product of its digits is 245760, while the sum is 43.

The square root of 68288542 is about 8263.6881596537. The cubic root of 68288542 is about 408.7420136413.

The spelling of 68288542 in words is "sixty-eight million, two hundred eighty-eight thousand, five hundred forty-two".