64247352 has 64 divisors (see below), whose sum is σ = 183163680. Its totient is φ = 18604032.

The previous prime is 64247333. The next prime is 64247353. The reversal of 64247352 is 25374246.

64247352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64247353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753 + ... + 11360.

Almost surely, 2^64247352 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 64247352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91581840).

64247352 is an abundant number, since it is smaller than the sum of its proper divisors (118916328).

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

64247352 is a wasteful number, since it uses less digits than its factorization.

64247352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12152 (or 12148 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 64247352 is about 8015.4445915370. Note that the first 3 decimals coincide. The cubic root of 64247352 is about 400.5146542103.

The spelling of 64247352 in words is "sixty-four million, two hundred forty-seven thousand, three hundred fifty-two".