64727466 has 64 divisors (see below), whose sum is σ = 142062336. Its totient is φ = 19584000.

The previous prime is 64727447. The next prime is 64727501. The reversal of 64727466 is 66472746.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 628371 + ... + 628473.

It is an arithmetic number, because the mean of its divisors is an integer number (2219724).

Almost surely, 2^64727466 is an apocalyptic number.

64727466 is an abundant number, since it is smaller than the sum of its proper divisors (77334870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64727466 is a wasteful number, since it uses less digits than its factorization.

64727466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287.

The product of its digits is 338688, while the sum is 42.

The square root of 64727466 is about 8045.3381532413. The cubic root of 64727466 is about 401.5098478944.

The spelling of 64727466 in words is "sixty-four million, seven hundred twenty-seven thousand, four hundred sixty-six".