64476 has 30 divisors (see below), whose sum is σ = 169400. Its totient is φ = 21384.

The previous prime is 64453. The next prime is 64483. The reversal of 64476 is 67446.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 225 + ... + 423.

2⁶⁴⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84700).

64476 is an abundant number, since it is smaller than the sum of its proper divisors (104924).

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

64476 is a wasteful number, since it uses less digits than its factorization.

64476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 204 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 64476 is about 253.9212476340. The cubic root of 64476 is about 40.0989218268.

The spelling of 64476 in words is "sixty-four thousand, four hundred seventy-six".