67424263 has 4 divisors (see below), whose sum is σ = 67452280. Its totient is φ = 67396248.

The previous prime is 67424257. The next prime is 67424297. The reversal of 67424263 is 36242476.

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

It is a cyclic number.

It is not a de Polignac number, because 67424263 - 2¹³ = 67416071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67424233) 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, 10020 + ... + 15337.

It is an arithmetic number, because the mean of its divisors is an integer number (16863070).

Almost surely, 2^67424263 is an apocalyptic number.

67424263 is a deficient number, since it is larger than the sum of its proper divisors (28017).

67424263 is a wasteful number, since it uses less digits than its factorization.

67424263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28016.

The product of its digits is 48384, while the sum is 34.

The square root of 67424263 is about 8211.2278618974. The cubic root of 67424263 is about 407.0103026488.

The spelling of 67424263 in words is "sixty-seven million, four hundred twenty-four thousand, two hundred sixty-three".