65673416 has 16 divisors (see below), whose sum is σ = 124038540. Its totient is φ = 32596480.

The previous prime is 65673403. The next prime is 65673463. The reversal of 65673416 is 61437656.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63840100 + 1833316 = 7990^2 + 1354^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65673416.

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, 28865 + ... + 31056.

Almost surely, 2^65673416 is an apocalyptic number.

It is an amenable number.

65673416 is a deficient number, since it is larger than the sum of its proper divisors (58365124).

65673416 is a wasteful number, since it uses less digits than its factorization.

65673416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60064 (or 60060 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 65673416 is about 8103.9136224419. The cubic root of 65673416 is about 403.4563317395.

The spelling of 65673416 in words is "sixty-five million, six hundred seventy-three thousand, four hundred sixteen".