65674216 has 8 divisors (see below), whose sum is σ = 123139170. Its totient is φ = 32837104.

The previous prime is 65674211. The next prime is 65674237. The reversal of 65674216 is 61247656.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40373316 + 25300900 = 6354^2 + 5030^2 .

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (65674211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4104631 + ... + 4104646.

Almost surely, 2^65674216 is an apocalyptic number.

It is an amenable number.

65674216 is a deficient number, since it is larger than the sum of its proper divisors (57464954).

65674216 is a wasteful number, since it uses less digits than its factorization.

65674216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209283 (or 8209279 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 65674216 is about 8103.9629811593. The cubic root of 65674216 is about 403.4579699658.

The spelling of 65674216 in words is "sixty-five million, six hundred seventy-four thousand, two hundred sixteen".