67545243 has 12 divisors (see below), whose sum is σ = 98269080. Its totient is φ = 44705376.

The previous prime is 67545241. The next prime is 67545253. The reversal of 67545243 is 34254576.

It is not a de Polignac number, because 67545243 - 2¹ = 67545241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67545198 and 67545207.

It is not an unprimeable number, because it can be changed into a prime (67545241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25746 + ... + 28247.

It is an arithmetic number, because the mean of its divisors is an integer number (8189090).

Almost surely, 2^67545243 is an apocalyptic number.

67545243 is a deficient number, since it is larger than the sum of its proper divisors (30723837).

67545243 is a wasteful number, since it uses less digits than its factorization.

67545243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54138 (or 54135 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 67545243 is about 8218.5913026504. The cubic root of 67545243 is about 407.2535913547.

The spelling of 67545243 in words is "sixty-seven million, five hundred forty-five thousand, two hundred forty-three".