68988746 has 8 divisors (see below), whose sum is σ = 103692000. Its totient is φ = 34424748.

The previous prime is 68988739. The next prime is 68988779. The reversal of 68988746 is 64788986.

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

It is a junction number, because it is equal to n+sod(n) for n = 68988691 and 68988700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33566 + ... + 35561.

It is an arithmetic number, because the mean of its divisors is an integer number (12961500).

Almost surely, 2^68988746 is an apocalyptic number.

68988746 is a deficient number, since it is larger than the sum of its proper divisors (34703254).

68988746 is a wasteful number, since it uses less digits than its factorization.

68988746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69628.

The product of its digits is 4644864, while the sum is 56.

The square root of 68988746 is about 8305.9464240988. The cubic root of 68988746 is about 410.1342927129.

The spelling of 68988746 in words is "sixty-eight million, nine hundred eighty-eight thousand, seven hundred forty-six".