65675643 has 8 divisors (see below), whose sum is σ = 95528256. Its totient is φ = 39803400.

The previous prime is 65675627. The next prime is 65675651. The reversal of 65675643 is 34657656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65675643 - 2⁴ = 65675627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65675595 and 65675604.

It is not an unprimeable number, because it can be changed into a prime (65675653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995053 + ... + 995118.

It is an arithmetic number, because the mean of its divisors is an integer number (11941032).

Almost surely, 2^65675643 is an apocalyptic number.

65675643 is a deficient number, since it is larger than the sum of its proper divisors (29852613).

65675643 is a wasteful number, since it uses less digits than its factorization.

65675643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990185.

The product of its digits is 453600, while the sum is 42.

The square root of 65675643 is about 8104.0510240250. The cubic root of 65675643 is about 403.4608921190.

The spelling of 65675643 in words is "sixty-five million, six hundred seventy-five thousand, six hundred forty-three".