68393267 has 4 divisors (see below), whose sum is σ = 69683760. Its totient is φ = 67102776.

The previous prime is 68393257. The next prime is 68393309. The reversal of 68393267 is 76239386.

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 68393267 - 2⁴ = 68393251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68393257) 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, 645167 + ... + 645272.

It is an arithmetic number, because the mean of its divisors is an integer number (17420940).

Almost surely, 2^68393267 is an apocalyptic number.

68393267 is a deficient number, since it is larger than the sum of its proper divisors (1290493).

68393267 is a wasteful number, since it uses less digits than its factorization.

68393267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290492.

The product of its digits is 326592, while the sum is 44.

The square root of 68393267 is about 8270.0221886038. The cubic root of 68393267 is about 408.9508512347.

The spelling of 68393267 in words is "sixty-eight million, three hundred ninety-three thousand, two hundred sixty-seven".