64373568 has 112 divisors (see below), whose sum is σ = 196437504. Its totient is φ = 18224640.

The previous prime is 64373549. The next prime is 64373581. The reversal of 64373568 is 86537346.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 283471 + ... + 283697.

Almost surely, 2^64373568 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 64373568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98218752).

64373568 is an abundant number, since it is smaller than the sum of its proper divisors (132063936).

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

64373568 is a wasteful number, since it uses less digits than its factorization.

64373568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 450 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 64373568 is about 8023.3140285047. The cubic root of 64373568 is about 400.7767573105.

The spelling of 64373568 in words is "sixty-four million, three hundred seventy-three thousand, five hundred sixty-eight".