64845746 has 16 divisors (see below), whose sum is σ = 117015360. Its totient is φ = 26328240.

The previous prime is 64845731. The next prime is 64845773. The reversal of 64845746 is 64754846.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64845697 and 64845706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121625 + ... + 122156.

It is an arithmetic number, because the mean of its divisors is an integer number (7313460).

Almost surely, 2^64845746 is an apocalyptic number.

64845746 is a deficient number, since it is larger than the sum of its proper divisors (52169614).

64845746 is a wasteful number, since it uses less digits than its factorization.

64845746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243809.

The product of its digits is 645120, while the sum is 44.

The square root of 64845746 is about 8052.6856389654. The cubic root of 64845746 is about 401.7542659634.

The spelling of 64845746 in words is "sixty-four million, eight hundred forty-five thousand, seven hundred forty-six".