64750 has 32 divisors (see below), whose sum is σ = 142272. Its totient is φ = 21600.

The previous prime is 64747. The next prime is 64763. The reversal of 64750 is 5746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1732 + ... + 1768.

It is an arithmetic number, because the mean of its divisors is an integer number (4446).

2⁶⁴⁷⁵⁰ is an apocalyptic number.

64750 is an abundant number, since it is smaller than the sum of its proper divisors (77522).

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 (71136).

64750 is a wasteful number, since it uses less digits than its factorization.

64750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 64750 is about 254.4602130000. The cubic root of 64750 is about 40.1556435913.

The spelling of 64750 in words is "sixty-four thousand, seven hundred fifty".