67275665 has 8 divisors (see below), whose sum is σ = 80806248. Its totient is φ = 53770240.

The previous prime is 67275653. The next prime is 67275743. The reversal of 67275665 is 56657276.

It can be written as a sum of positive squares in 4 ways, for example, as 27636049 + 39639616 = 5257^2 + 6296^2 .

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

It is not a de Polignac number, because 67275665 - 2⁶ = 67275601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209 + ... + 11601.

It is an arithmetic number, because the mean of its divisors is an integer number (10100781).

Almost surely, 2^67275665 is an apocalyptic number.

It is an amenable number.

67275665 is a deficient number, since it is larger than the sum of its proper divisors (13530583).

67275665 is a wasteful number, since it uses less digits than its factorization.

67275665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12579.

The product of its digits is 529200, while the sum is 44.

The square root of 67275665 is about 8202.1744068265. The cubic root of 67275665 is about 406.7110760275.

The spelling of 67275665 in words is "sixty-seven million, two hundred seventy-five thousand, six hundred sixty-five".