68575264 has 24 divisors (see below), whose sum is σ = 136639440. Its totient is φ = 33873216.

The previous prime is 68575253. The next prime is 68575267. The reversal of 68575264 is 46257586.

It is a self number, because there is not a number n which added to its sum of digits gives 68575264.

It is not an unprimeable number, because it can be changed into a prime (68575267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10254 + ... + 15565.

It is an arithmetic number, because the mean of its divisors is an integer number (5693310).

Almost surely, 2^68575264 is an apocalyptic number.

It is an amenable number.

68575264 is a deficient number, since it is larger than the sum of its proper divisors (68064176).

68575264 is a wasteful number, since it uses less digits than its factorization.

68575264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25912 (or 25904 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 68575264 is about 8281.0182948717. The cubic root of 68575264 is about 409.3132743716.

It can be divided in two parts, 6857 and 5264, that added together give a palindrome (12121).

The spelling of 68575264 in words is "sixty-eight million, five hundred seventy-five thousand, two hundred sixty-four".