64927873 has 12 divisors (see below), whose sum is σ = 68439280. Its totient is φ = 61588296.

The previous prime is 64927843. The next prime is 64927901. The reversal of 64927873 is 37872946.

It is not a de Polignac number, because 64927873 - 2¹³ = 64919681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64927813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73090 + ... + 73972.

Almost surely, 2^64927873 is an apocalyptic number.

It is an amenable number.

64927873 is a deficient number, since it is larger than the sum of its proper divisors (3511407).

64927873 is a wasteful number, since it uses less digits than its factorization.

64927873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1045 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 64927873 is about 8057.7833800618. The cubic root of 64927873 is about 401.9238013872.

It can be divided in two parts, 6492 and 7873, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 64927873 in words is "sixty-four million, nine hundred twenty-seven thousand, eight hundred seventy-three".