64635032 has 64 divisors (see below), whose sum is σ = 152029440. Its totient is φ = 25027200.

The previous prime is 64634987. The next prime is 64635061. The reversal of 64635032 is 23053646.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64634986 and 64635004.

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, 195107 + ... + 195437.

It is an arithmetic number, because the mean of its divisors is an integer number (2375460).

Almost surely, 2^64635032 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 64635032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76014720).

64635032 is an abundant number, since it is smaller than the sum of its proper divisors (87394408).

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

64635032 is a wasteful number, since it uses less digits than its factorization.

64635032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 64635032 is about 8039.5915319126. The cubic root of 64635032 is about 401.3186315835.

Adding to 64635032 its reverse (23053646), we get a palindrome (87688678).

The spelling of 64635032 in words is "sixty-four million, six hundred thirty-five thousand, thirty-two".