64335532 has 12 divisors (see below), whose sum is σ = 112656880. Its totient is φ = 32147856.

The previous prime is 64335529. The next prime is 64335553. The reversal of 64335532 is 23553346.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64335494 and 64335503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4153 + ... + 12079.

Almost surely, 2^64335532 is an apocalyptic number.

It is an amenable number.

64335532 is a deficient number, since it is larger than the sum of its proper divisors (48321348).

64335532 is a wasteful number, since it uses less digits than its factorization.

64335532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9960 (or 9958 counting only the distinct ones).

The product of its digits is 32400, while the sum is 31.

The square root of 64335532 is about 8020.9433360422. The cubic root of 64335532 is about 400.6978069557.

Adding to 64335532 its reverse (23553346), we get a palindrome (87888878).

The spelling of 64335532 in words is "sixty-four million, three hundred thirty-five thousand, five hundred thirty-two".