64575224 has 64 divisors (see below), whose sum is σ = 147052800. Its totient is φ = 25968384.

The previous prime is 64575211. The next prime is 64575233. The reversal of 64575224 is 42257546.

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, 145547 + ... + 145989.

It is an arithmetic number, because the mean of its divisors is an integer number (2297700).

Almost surely, 2^64575224 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 64575224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73526400).

64575224 is an abundant number, since it is smaller than the sum of its proper divisors (82477576).

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

64575224 is a wasteful number, since it uses less digits than its factorization.

64575224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 608 counting only the distinct ones).

The product of its digits is 67200, while the sum is 35.

The square root of 64575224 is about 8035.8710791052. The cubic root of 64575224 is about 401.1948108474.

The spelling of 64575224 in words is "sixty-four million, five hundred seventy-five thousand, two hundred twenty-four".