64532336 has 40 divisors (see below), whose sum is σ = 139586304. Its totient is φ = 28647360.

The previous prime is 64532309. The next prime is 64532339. The reversal of 64532336 is 63323546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64532339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3305 + ... + 11831.

Almost surely, 2^64532336 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 64532336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69793152).

64532336 is an abundant number, since it is smaller than the sum of its proper divisors (75053968).

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

64532336 is a wasteful number, since it uses less digits than its factorization.

64532336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8589 (or 8583 counting only the distinct ones).

The product of its digits is 38880, while the sum is 32.

The square root of 64532336 is about 8033.2021012794. The cubic root of 64532336 is about 401.1059725767.

The spelling of 64532336 in words is "sixty-four million, five hundred thirty-two thousand, three hundred thirty-six".