68925543 has 4 divisors (see below), whose sum is σ = 91900728. Its totient is φ = 45950360.

The previous prime is 68925539. The next prime is 68925553. The reversal of 68925543 is 34552986.

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 68925543 - 2² = 68925539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68925495 and 68925504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68925523) 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, 11487588 + ... + 11487593.

It is an arithmetic number, because the mean of its divisors is an integer number (22975182).

Almost surely, 2^68925543 is an apocalyptic number.

68925543 is a deficient number, since it is larger than the sum of its proper divisors (22975185).

68925543 is a wasteful number, since it uses less digits than its factorization.

68925543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22975184.

The product of its digits is 259200, while the sum is 42.

The square root of 68925543 is about 8302.1408684748. The cubic root of 68925543 is about 410.0090083287.

The spelling of 68925543 in words is "sixty-eight million, nine hundred twenty-five thousand, five hundred forty-three".