67340065 has 8 divisors (see below), whose sum is σ = 87024168. Its totient is φ = 49728000.

The previous prime is 67340011. The next prime is 67340069. The reversal of 67340065 is 56004376.

It can be written as a sum of positive squares in 4 ways, for example, as 12446784 + 54893281 = 3528^2 + 7409^2 .

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

It is not a de Polignac number, because 67340065 - 2²¹ = 65242913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67340069) 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, 517936 + ... + 518065.

It is an arithmetic number, because the mean of its divisors is an integer number (10878021).

Almost surely, 2^67340065 is an apocalyptic number.

67340065 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

67340065 is a deficient number, since it is larger than the sum of its proper divisors (19684103).

67340065 is a wasteful number, since it uses less digits than its factorization.

67340065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036019.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 67340065 is about 8206.0992560412. The cubic root of 67340065 is about 406.8408101109.

The spelling of 67340065 in words is "sixty-seven million, three hundred forty thousand, sixty-five".