285068772 has 36 divisors (see below), whose sum is σ = 726276096. Its totient is φ = 94273200.

The previous prime is 285068759. The next prime is 285068779. The reversal of 285068772 is 277860582.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (285068779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26604 + ... + 35747.

It is an arithmetic number, because the mean of its divisors is an integer number (20174336).

Almost surely, 2^285068772 is an apocalyptic number.

It is an amenable number.

285068772 is an abundant number, since it is smaller than the sum of its proper divisors (441207324).

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

285068772 is a wasteful number, since it uses less digits than its factorization.

285068772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62488 (or 62483 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 285068772 is about 16883.9797441243. The cubic root of 285068772 is about 658.1373653464.

The spelling of 285068772 in words is "two hundred eighty-five million, sixty-eight thousand, seven hundred seventy-two".