65634472 has 16 divisors (see below), whose sum is σ = 123220800. Its totient is φ = 32775600.

The previous prime is 65634463. The next prime is 65634487. The reversal of 65634472 is 27443656.

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 3 ways as a sum of consecutive naturals, for example, 2097 + ... + 11647.

It is an arithmetic number, because the mean of its divisors is an integer number (7701300).

Almost surely, 2^65634472 is an apocalyptic number.

It is an amenable number.

65634472 is a deficient number, since it is larger than the sum of its proper divisors (57586328).

65634472 is a wasteful number, since it uses less digits than its factorization.

65634472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10416 (or 10412 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 65634472 is about 8101.5104764482. The cubic root of 65634472 is about 403.3765667899.

The spelling of 65634472 in words is "sixty-five million, six hundred thirty-four thousand, four hundred seventy-two".