68527943 has 4 divisors (see below), whose sum is σ = 74757768. Its totient is φ = 62298120.

The previous prime is 68527937. The next prime is 68527951. The reversal of 68527943 is 34972586.

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 68527943 - 2²⁰ = 67479367 is a prime.

It is a super-2 number, since 2×68527943² = 9392157943622498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68527894 and 68527903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68527913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3114896 + ... + 3114917.

It is an arithmetic number, because the mean of its divisors is an integer number (18689442).

Almost surely, 2^68527943 is an apocalyptic number.

68527943 is a deficient number, since it is larger than the sum of its proper divisors (6229825).

68527943 is a wasteful number, since it uses less digits than its factorization.

68527943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6229824.

The product of its digits is 362880, while the sum is 44.

The square root of 68527943 is about 8278.1606048687. The cubic root of 68527943 is about 409.2191025604.

The spelling of 68527943 in words is "sixty-eight million, five hundred twenty-seven thousand, nine hundred forty-three".