64527727 has 12 divisors (see below), whose sum is σ = 72662688. Its totient is φ = 57226400.

The previous prime is 64527713. The next prime is 64527731. The reversal of 64527727 is 72772546.

It is not a de Polignac number, because 64527727 - 2¹¹ = 64525679 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 64527727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64527707) 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 11 ways as a sum of consecutive naturals, for example, 1543 + ... + 11464.

It is an arithmetic number, because the mean of its divisors is an integer number (6055224).

Almost surely, 2^64527727 is an apocalyptic number.

64527727 is a deficient number, since it is larger than the sum of its proper divisors (8134961).

64527727 is a wasteful number, since it uses less digits than its factorization.

64527727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13070 (or 13059 counting only the distinct ones).

The product of its digits is 164640, while the sum is 40.

The square root of 64527727 is about 8032.9152242508. The cubic root of 64527727 is about 401.0964231448.

The spelling of 64527727 in words is "sixty-four million, five hundred twenty-seven thousand, seven hundred twenty-seven".