68871830 has 8 divisors (see below), whose sum is σ = 123969312. Its totient is φ = 27548728.

The previous prime is 68871793. The next prime is 68871833. The reversal of 68871830 is 3817886.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68871833) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3443582 + ... + 3443601.

It is an arithmetic number, because the mean of its divisors is an integer number (15496164).

Almost surely, 2^68871830 is an apocalyptic number.

68871830 is a deficient number, since it is larger than the sum of its proper divisors (55097482).

68871830 is a wasteful number, since it uses less digits than its factorization.

68871830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887190.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 68871830 is about 8298.9053495024. The cubic root of 68871830 is about 409.9024753169.

The spelling of 68871830 in words is "sixty-eight million, eight hundred seventy-one thousand, eight hundred thirty".