64523627 has 16 divisors (see below), whose sum is σ = 75866112. Its totient is φ = 53724480.

The previous prime is 64523611. The next prime is 64523633. The reversal of 64523627 is 72632546.

It is a cyclic number.

It is not a de Polignac number, because 64523627 - 2⁴ = 64523611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64523647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109628 + ... + 110214.

It is an arithmetic number, because the mean of its divisors is an integer number (4741632).

Almost surely, 2^64523627 is an apocalyptic number.

64523627 is a deficient number, since it is larger than the sum of its proper divisors (11342485).

64523627 is a wasteful number, since it uses less digits than its factorization.

64523627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018.

The product of its digits is 60480, while the sum is 35.

The square root of 64523627 is about 8032.6600201926. The cubic root of 64523627 is about 401.0879279327.

The spelling of 64523627 in words is "sixty-four million, five hundred twenty-three thousand, six hundred twenty-seven".