68574943 has 2 divisors, whose sum is σ = 68574944. Its totient is φ = 68574942.

The previous prime is 68574941. The next prime is 68574967. The reversal of 68574943 is 34947586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68574943 - 2¹ = 68574941 is a prime.

Together with 68574941, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 68574893 and 68574902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68574941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34287471 + 34287472.

It is an arithmetic number, because the mean of its divisors is an integer number (34287472).

Almost surely, 2^68574943 is an apocalyptic number.

68574943 is a deficient number, since it is larger than the sum of its proper divisors (1).

68574943 is an equidigital number, since it uses as much as digits as its factorization.

68574943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The square root of 68574943 is about 8280.9989131747. The cubic root of 68574943 is about 409.3126357070.

The spelling of 68574943 in words is "sixty-eight million, five hundred seventy-four thousand, nine hundred forty-three".