66368710 has 32 divisors (see below), whose sum is σ = 126581760. Its totient is φ = 24984288.

The previous prime is 66368707. The next prime is 66368711. The reversal of 66368710 is 1786366.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 66368710.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66368711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29899 + ... + 32041.

It is an arithmetic number, because the mean of its divisors is an integer number (3955680).

Almost surely, 2^66368710 is an apocalyptic number.

66368710 is a deficient number, since it is larger than the sum of its proper divisors (60213050).

66368710 is a wasteful number, since it uses less digits than its factorization.

66368710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 66368710 is about 8146.6993316312. The cubic root of 66368710 is about 404.8751533082.

The spelling of 66368710 in words is "sixty-six million, three hundred sixty-eight thousand, seven hundred ten".