64700 has 18 divisors (see below), whose sum is σ = 140616. Its totient is φ = 25840.

The previous prime is 64693. The next prime is 64709. The reversal of 64700 is 746.

It is a plaindrome in base 11 and base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224 + ... + 423.

It is an arithmetic number, because the mean of its divisors is an integer number (7812).

2⁶⁴⁷⁰⁰ is an apocalyptic number.

It is an amenable number.

64700 is an abundant number, since it is smaller than the sum of its proper divisors (75916).

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

64700 is a wasteful number, since it uses less digits than its factorization.

64700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 64700 is about 254.3619468395. The cubic root of 64700 is about 40.1453048567.

The spelling of 64700 in words is "sixty-four thousand, seven hundred".