65875538 has 8 divisors (see below), whose sum is σ = 99257088. Its totient is φ = 32789844.

The previous prime is 65875507. The next prime is 65875541. The reversal of 65875538 is 83557856.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65875492 and 65875501.

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, 73406 + ... + 74297.

It is an arithmetic number, because the mean of its divisors is an integer number (12407136).

Almost surely, 2^65875538 is an apocalyptic number.

65875538 is a deficient number, since it is larger than the sum of its proper divisors (33381550).

65875538 is a wasteful number, since it uses less digits than its factorization.

65875538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147928.

The product of its digits is 1008000, while the sum is 47.

The square root of 65875538 is about 8116.3746833177. The cubic root of 65875538 is about 403.8698114972.

The spelling of 65875538 in words is "sixty-five million, eight hundred seventy-five thousand, five hundred thirty-eight".