68788442 has 8 divisors (see below), whose sum is σ = 106511232. Its totient is φ = 33284700.

The previous prime is 68788427. The next prime is 68788463. The reversal of 68788442 is 24488786.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 554684 + ... + 554807.

It is an arithmetic number, because the mean of its divisors is an integer number (13313904).

Almost surely, 2^68788442 is an apocalyptic number.

68788442 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

68788442 is a deficient number, since it is larger than the sum of its proper divisors (37722790).

68788442 is a wasteful number, since it uses less digits than its factorization.

68788442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109524.

The product of its digits is 688128, while the sum is 47.

The square root of 68788442 is about 8293.8797917501. The cubic root of 68788442 is about 409.7369758570.

The spelling of 68788442 in words is "sixty-eight million, seven hundred eighty-eight thousand, four hundred forty-two".