68500564 has 24 divisors (see below), whose sum is σ = 132356448. Its totient is φ = 30759840.

The previous prime is 68500543. The next prime is 68500571. The reversal of 68500564 is 46500586.

It is a congruent 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, 5727 + ... + 13030.

It is an arithmetic number, because the mean of its divisors is an integer number (5514852).

Almost surely, 2^68500564 is an apocalyptic number.

It is an amenable number.

68500564 is a deficient number, since it is larger than the sum of its proper divisors (63855884).

68500564 is a wasteful number, since it uses less digits than its factorization.

68500564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18855 (or 18853 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 68500564 is about 8276.5067510394. The cubic root of 68500564 is about 409.1645968032.

The spelling of 68500564 in words is "sixty-eight million, five hundred thousand, five hundred sixty-four".