68643041 has 4 divisors (see below), whose sum is σ = 69667632. Its totient is φ = 67618452.

The previous prime is 68643031. The next prime is 68643053. The reversal of 68643041 is 14034686.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68643041 - 2¹⁰ = 68642017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68642989 and 68643007.

It is not an unprimeable number, because it can be changed into a prime (68643031) 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, 512195 + ... + 512328.

It is an arithmetic number, because the mean of its divisors is an integer number (17416908).

Almost surely, 2^68643041 is an apocalyptic number.

It is an amenable number.

68643041 is a deficient number, since it is larger than the sum of its proper divisors (1024591).

68643041 is a wasteful number, since it uses less digits than its factorization.

68643041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024590.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 68643041 is about 8285.1095949299. The cubic root of 68643041 is about 409.4480794966.

The spelling of 68643041 in words is "sixty-eight million, six hundred forty-three thousand, forty-one".