67560065 has 4 divisors (see below), whose sum is σ = 81072084. Its totient is φ = 54048048.

The previous prime is 67560061. The next prime is 67560071. The reversal of 67560065 is 56006576.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43784689 + 23775376 = 6617^2 + 4876^2 .

It is a cyclic number.

It is not a de Polignac number, because 67560065 - 2² = 67560061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67560061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6756002 + ... + 6756011.

It is an arithmetic number, because the mean of its divisors is an integer number (20268021).

Almost surely, 2^67560065 is an apocalyptic number.

It is an amenable number.

67560065 is a deficient number, since it is larger than the sum of its proper divisors (13512019).

67560065 is a wasteful number, since it uses less digits than its factorization.

67560065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13512018.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 67560065 is about 8219.4929892299. The cubic root of 67560065 is about 407.2833781612.

The spelling of 67560065 in words is "sixty-seven million, five hundred sixty thousand, sixty-five".