68510545 has 8 divisors (see below), whose sum is σ = 82558080. Its totient is φ = 54578160.

The previous prime is 68510539. The next prime is 68510591. The reversal of 68510545 is 54501586.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68510545 - 2⁵ = 68510513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68510545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27471 + ... + 29860.

It is an arithmetic number, because the mean of its divisors is an integer number (10319760).

Almost surely, 2^68510545 is an apocalyptic number.

It is an amenable number.

68510545 is a deficient number, since it is larger than the sum of its proper divisors (14047535).

68510545 is a wasteful number, since it uses less digits than its factorization.

68510545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57575.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 68510545 is about 8277.1097008557. The cubic root of 68510545 is about 409.1844685302.

The spelling of 68510545 in words is "sixty-eight million, five hundred ten thousand, five hundred forty-five".