68263564 has 24 divisors (see below), whose sum is σ = 124210800. Its totient is φ = 32786880.

The previous prime is 68263549. The next prime is 68263571. The reversal of 68263564 is 46536286.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 23082 + ... + 25870.

It is an arithmetic number, because the mean of its divisors is an integer number (5175450).

Almost surely, 2^68263564 is an apocalyptic number.

It is an amenable number.

68263564 is a deficient number, since it is larger than the sum of its proper divisors (55947236).

68263564 is a wasteful number, since it uses less digits than its factorization.

68263564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033 (or 3031 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 68263564 is about 8262.1767107706. The cubic root of 68263564 is about 408.6921721756.

It can be divided in two parts, 682 and 63564, that added together give a palindrome (64246).

The spelling of 68263564 in words is "sixty-eight million, two hundred sixty-three thousand, five hundred sixty-four".