64327793 has 4 divisors (see below), whose sum is σ = 66066420. Its totient is φ = 62589168.

The previous prime is 64327751. The next prime is 64327799. The reversal of 64327793 is 39772346.

64327793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51165409 + 13162384 = 7153^2 + 3628^2 .

It is a cyclic number.

It is not a de Polignac number, because 64327793 - 2¹² = 64323697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64327793.

It is not an unprimeable number, because it can be changed into a prime (64327799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869258 + ... + 869331.

It is an arithmetic number, because the mean of its divisors is an integer number (16516605).

Almost surely, 2^64327793 is an apocalyptic number.

It is an amenable number.

64327793 is a deficient number, since it is larger than the sum of its proper divisors (1738627).

64327793 is a wasteful number, since it uses less digits than its factorization.

64327793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738626.

The product of its digits is 190512, while the sum is 41.

The square root of 64327793 is about 8020.4608969809. The cubic root of 64327793 is about 400.6817395014.

The spelling of 64327793 in words is "sixty-four million, three hundred twenty-seven thousand, seven hundred ninety-three".