64606032 has 40 divisors (see below), whose sum is σ = 185444480. Its totient is φ = 21535200.

The previous prime is 64606013. The next prime is 64606039. The reversal of 64606032 is 23060646.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 64605987 and 64606005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64606039) 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, 74344 + ... + 75207.

It is an arithmetic number, because the mean of its divisors is an integer number (4636112).

Almost surely, 2^64606032 is an apocalyptic number.

It is an amenable number.

64606032 is an abundant number, since it is smaller than the sum of its proper divisors (120838448).

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

64606032 is a wasteful number, since it uses less digits than its factorization.

64606032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149568 (or 149556 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 64606032 is about 8037.7877553466. The cubic root of 64606032 is about 401.2586023136.

Adding to 64606032 its reverse (23060646), we get a palindrome (87666678).

The spelling of 64606032 in words is "sixty-four million, six hundred six thousand, thirty-two".