68537045 has 8 divisors (see below), whose sum is σ = 83994624. Its totient is φ = 53662864.

The previous prime is 68537039. The next prime is 68537057. The reversal of 68537045 is 54073586.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68537045 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145589 + ... + 146058.

It is an arithmetic number, because the mean of its divisors is an integer number (10499328).

Almost surely, 2^68537045 is an apocalyptic number.

It is an amenable number.

68537045 is a deficient number, since it is larger than the sum of its proper divisors (15457579).

68537045 is a wasteful number, since it uses less digits than its factorization.

68537045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291699.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 68537045 is about 8278.7103464247. The cubic root of 68537045 is about 409.2372194881.

The spelling of 68537045 in words is "sixty-eight million, five hundred thirty-seven thousand, forty-five".