68999242 has 16 divisors (see below), whose sum is σ = 115057152. Its totient is φ = 30818160.

The previous prime is 68999239. The next prime is 68999251. The reversal of 68999242 is 24299986.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 41998 + ... + 43609.

It is an arithmetic number, because the mean of its divisors is an integer number (7191072).

Almost surely, 2^68999242 is an apocalyptic number.

68999242 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

68999242 is a deficient number, since it is larger than the sum of its proper divisors (46057910).

68999242 is a wasteful number, since it uses less digits than its factorization.

68999242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85653.

The product of its digits is 559872, while the sum is 49.

The square root of 68999242 is about 8306.5782365544. The cubic root of 68999242 is about 410.1550910387.

The spelling of 68999242 in words is "sixty-eight million, nine hundred ninety-nine thousand, two hundred forty-two".