64273327 has 4 divisors (see below), whose sum is σ = 64318840. Its totient is φ = 64227816.

The previous prime is 64273289. The next prime is 64273331. The reversal of 64273327 is 72337246.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72337246 = 2 ⋅36168623.

It is a cyclic number.

It is not a de Polignac number, because 64273327 - 2¹⁵ = 64240559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64273292 and 64273301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64273337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20568 + ... + 23485.

It is an arithmetic number, because the mean of its divisors is an integer number (16079710).

Almost surely, 2^64273327 is an apocalyptic number.

64273327 is a deficient number, since it is larger than the sum of its proper divisors (45513).

64273327 is a wasteful number, since it uses less digits than its factorization.

64273327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45512.

The product of its digits is 42336, while the sum is 34.

The square root of 64273327 is about 8017.0647371716. The cubic root of 64273327 is about 400.5686225380.

The spelling of 64273327 in words is "sixty-four million, two hundred seventy-three thousand, three hundred twenty-seven".