64676333 has 4 divisors (see below), whose sum is σ = 66424380. Its totient is φ = 62928288.

The previous prime is 64676329. The next prime is 64676357. The reversal of 64676333 is 33367646.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48135844 + 16540489 = 6938^2 + 4067^2 .

It is a cyclic number.

It is not a de Polignac number, because 64676333 - 2² = 64676329 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64676303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873968 + ... + 874041.

It is an arithmetic number, because the mean of its divisors is an integer number (16606095).

Almost surely, 2^64676333 is an apocalyptic number.

It is an amenable number.

64676333 is a deficient number, since it is larger than the sum of its proper divisors (1748047).

64676333 is a wasteful number, since it uses less digits than its factorization.

64676333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748046.

The product of its digits is 163296, while the sum is 38.

The square root of 64676333 is about 8042.1597223631. The cubic root of 64676333 is about 401.4040926261.

The spelling of 64676333 in words is "sixty-four million, six hundred seventy-six thousand, three hundred thirty-three".