68287044 has 48 divisors (see below), whose sum is σ = 182504448. Its totient is φ = 19467168.

The previous prime is 68287033. The next prime is 68287061. The reversal of 68287044 is 44078286.

It is a junction number, because it is equal to n+sod(n) for n = 68286993 and 68287011.

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, 68977 + ... + 69959.

It is an arithmetic number, because the mean of its divisors is an integer number (3802176).

Almost surely, 2^68287044 is an apocalyptic number.

It is an amenable number.

68287044 is an abundant number, since it is smaller than the sum of its proper divisors (114217404).

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

68287044 is a wasteful number, since it uses less digits than its factorization.

68287044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824 (or 1822 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 68287044 is about 8263.5975216609. The cubic root of 68287044 is about 408.7390248528.

The spelling of 68287044 in words is "sixty-eight million, two hundred eighty-seven thousand, forty-four".