67563441 has 24 divisors (see below), whose sum is σ = 106816320. Its totient is φ = 40812000.

The previous prime is 67563439. The next prime is 67563451. The reversal of 67563441 is 14436576.

It is a happy number.

It is not a de Polignac number, because 67563441 - 2¹ = 67563439 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 67563396 and 67563405.

It is not an unprimeable number, because it can be changed into a prime (67563421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34591 + ... + 36491.

It is an arithmetic number, because the mean of its divisors is an integer number (4450680).

Almost surely, 2^67563441 is an apocalyptic number.

It is an amenable number.

67563441 is a deficient number, since it is larger than the sum of its proper divisors (39252879).

67563441 is a wasteful number, since it uses less digits than its factorization.

67563441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277 (or 2274 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 67563441 is about 8219.6983521295. The cubic root of 67563441 is about 407.2901620790.

The spelling of 67563441 in words is "sixty-seven million, five hundred sixty-three thousand, four hundred forty-one".