66067343 has 4 divisors (see below), whose sum is σ = 66105408. Its totient is φ = 66029280.

The previous prime is 66067297. The next prime is 66067357. The reversal of 66067343 is 34376066.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66067343 is a prime.

It is a super-2 number, since 2×66067343² = 8729787622159298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66067363) 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, 16298 + ... + 19943.

It is an arithmetic number, because the mean of its divisors is an integer number (16526352).

Almost surely, 2^66067343 is an apocalyptic number.

66067343 is a deficient number, since it is larger than the sum of its proper divisors (38065).

66067343 is a wasteful number, since it uses less digits than its factorization.

66067343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38064.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 66067343 is about 8128.1820230603. The cubic root of 66067343 is about 404.2614044444.

The spelling of 66067343 in words is "sixty-six million, sixty-seven thousand, three hundred forty-three".