68797543 has 4 divisors (see below), whose sum is σ = 69824440. Its totient is φ = 67770648.

The previous prime is 68797523. The next prime is 68797579. The reversal of 68797543 is 34579786.

It is a happy number.

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 68797543 - 2⁹ = 68797031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68797523) 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, 513348 + ... + 513481.

It is an arithmetic number, because the mean of its divisors is an integer number (17456110).

Almost surely, 2^68797543 is an apocalyptic number.

68797543 is a deficient number, since it is larger than the sum of its proper divisors (1026897).

68797543 is a wasteful number, since it uses less digits than its factorization.

68797543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026896.

The product of its digits is 1270080, while the sum is 49.

The square root of 68797543 is about 8294.4284311820. The cubic root of 68797543 is about 409.7550450349.

The spelling of 68797543 in words is "sixty-eight million, seven hundred ninety-seven thousand, five hundred forty-three".