67683841 has 4 divisors (see below), whose sum is σ = 69513172. Its totient is φ = 65854512.

The previous prime is 67683829. The next prime is 67683857. The reversal of 67683841 is 14838676.

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 63361600 + 4322241 = 7960^2 + 2079^2 .

It is a cyclic number.

It is not a de Polignac number, because 67683841 - 2¹¹ = 67681793 is a prime.

It is a super-2 number, since 2×67683841² = 9162204665026562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67683041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914610 + ... + 914683.

It is an arithmetic number, because the mean of its divisors is an integer number (17378293).

Almost surely, 2^67683841 is an apocalyptic number.

It is an amenable number.

67683841 is a deficient number, since it is larger than the sum of its proper divisors (1829331).

67683841 is a wasteful number, since it uses less digits than its factorization.

67683841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829330.

The product of its digits is 193536, while the sum is 43.

The square root of 67683841 is about 8227.0189619327. The cubic root of 67683841 is about 407.5319527807.

It can be divided in two parts, 6768 and 3841, that added together give a square (10609 = 103²).

The spelling of 67683841 in words is "sixty-seven million, six hundred eighty-three thousand, eight hundred forty-one".