68503845 has 8 divisors (see below), whose sum is σ = 109606176. Its totient is φ = 36535376.

The previous prime is 68503811. The next prime is 68503849. The reversal of 68503845 is 54830586.

It is a happy number.

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 68503845 - 2⁶ = 68503781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68503849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2283447 + ... + 2283476.

It is an arithmetic number, because the mean of its divisors is an integer number (13700772).

Almost surely, 2^68503845 is an apocalyptic number.

It is an amenable number.

68503845 is a deficient number, since it is larger than the sum of its proper divisors (41102331).

68503845 is a wasteful number, since it uses less digits than its factorization.

68503845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566931.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 68503845 is about 8276.7049603088. The cubic root of 68503845 is about 409.1711293412.

The spelling of 68503845 in words is "sixty-eight million, five hundred three thousand, eight hundred forty-five".