64803365 has 48 divisors (see below), whose sum is σ = 91010304. Its totient is φ = 44204160.

The previous prime is 64803331. The next prime is 64803379. The reversal of 64803365 is 56330846.

It is not a de Polignac number, because 64803365 - 2⁶ = 64803301 is a prime.

It is a super-2 number, since 2×64803365² = 8398952230646450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1222679 + ... + 1222731.

It is an arithmetic number, because the mean of its divisors is an integer number (1896048).

Almost surely, 2^64803365 is an apocalyptic number.

It is an amenable number.

64803365 is a deficient number, since it is larger than the sum of its proper divisors (26206939).

64803365 is a wasteful number, since it uses less digits than its factorization.

64803365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 64803365 is about 8050.0537265288. The cubic root of 64803365 is about 401.6667225273. Note that the first 3 decimals are identical.

The spelling of 64803365 in words is "sixty-four million, eight hundred three thousand, three hundred sixty-five".