64536332 has 18 divisors (see below), whose sum is σ = 131377932. Its totient is φ = 27658344.

The previous prime is 64536323. The next prime is 64536341. The reversal of 64536332 is 23363546.

It is an interprime number because it is at equal distance from previous prime (64536323) and next prime (64536341).

It is a super-3 number, since 3×64536332³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164438 + ... + 164829.

It is an arithmetic number, because the mean of its divisors is an integer number (7298774).

Almost surely, 2^64536332 is an apocalyptic number.

It is an amenable number.

64536332 is an abundant number, since it is smaller than the sum of its proper divisors (66841600).

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

64536332 is a wasteful number, since it uses less digits than its factorization.

64536332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329285 (or 329276 counting only the distinct ones).

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

The square root of 64536332 is about 8033.4508151852. The cubic root of 64536332 is about 401.1142515599.

Adding to 64536332 its reverse (23363546), we get a palindrome (87899878).

The spelling of 64536332 in words is "sixty-four million, five hundred thirty-six thousand, three hundred thirty-two".