64626 has 8 divisors (see below), whose sum is σ = 129264. Its totient is φ = 21540.

The previous prime is 64621. The next prime is 64627. The reversal of 64626 is 62646.

It is a sphenic number, since it is the product of 3 distinct primes.

64626 is an admirable number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 64596 and 64605.

It is not an unprimeable number, because it can be changed into a prime (64621) 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, 5380 + ... + 5391.

It is an arithmetic number, because the mean of its divisors is an integer number (16158).

2⁶⁴⁶²⁶ is an apocalyptic number.

64626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64632).

64626 is a wasteful number, since it uses less digits than its factorization.

64626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10776.

The product of its digits is 1728, while the sum is 24.

The square root of 64626 is about 254.2164432133. The cubic root of 64626 is about 40.1299937497.

The spelling of 64626 in words is "sixty-four thousand, six hundred twenty-six".