68832545 has 4 divisors (see below), whose sum is σ = 82599060. Its totient is φ = 55066032.

The previous prime is 68832479. The next prime is 68832571. The reversal of 68832545 is 54523886.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39488656 + 29343889 = 6284^2 + 5417^2 .

It is a cyclic number.

It is not a de Polignac number, because 68832545 - 2⁸ = 68832289 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6883250 + ... + 6883259.

It is an arithmetic number, because the mean of its divisors is an integer number (20649765).

Almost surely, 2^68832545 is an apocalyptic number.

It is an amenable number.

68832545 is a deficient number, since it is larger than the sum of its proper divisors (13766515).

68832545 is a wasteful number, since it uses less digits than its factorization.

68832545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13766514.

The product of its digits is 230400, while the sum is 41.

The square root of 68832545 is about 8296.5381334627. The cubic root of 68832545 is about 409.8245233615.

It can be divided in two parts, 688 and 32545, that added together give a palindrome (33233).

The spelling of 68832545 in words is "sixty-eight million, eight hundred thirty-two thousand, five hundred forty-five".