65964632 has 8 divisors (see below), whose sum is σ = 123683700. Its totient is φ = 32982312.

The previous prime is 65964631. The next prime is 65964653. The reversal of 65964632 is 23646956.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 65964632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65964631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4122782 + ... + 4122797.

Almost surely, 2^65964632 is an apocalyptic number.

It is an amenable number.

65964632 is a deficient number, since it is larger than the sum of its proper divisors (57719068).

65964632 is a wasteful number, since it uses less digits than its factorization.

65964632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8245585 (or 8245581 counting only the distinct ones).

The product of its digits is 233280, while the sum is 41.

The square root of 65964632 is about 8121.8613630128. The cubic root of 65964632 is about 404.0518020037.

The spelling of 65964632 in words is "sixty-five million, nine hundred sixty-four thousand, six hundred thirty-two".