68801045 has 8 divisors (see below), whose sum is σ = 82615896. Its totient is φ = 55004416.

The previous prime is 68801039. The next prime is 68801077. The reversal of 68801045 is 54010886.

It can be written as a sum of positive squares in 4 ways, for example, as 4656964 + 64144081 = 2158^2 + 8009^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 68801045 - 2²⁰ = 67752469 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 5969 + ... + 13161.

It is an arithmetic number, because the mean of its divisors is an integer number (10326987).

Almost surely, 2^68801045 is an apocalyptic number.

It is an amenable number.

68801045 is a deficient number, since it is larger than the sum of its proper divisors (13814851).

68801045 is a wasteful number, since it uses less digits than its factorization.

68801045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9111.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 68801045 is about 8294.6395340605. The cubic root of 68801045 is about 409.7619975013.

The spelling of 68801045 in words is "sixty-eight million, eight hundred one thousand, forty-five".