68471235 has 24 divisors (see below), whose sum is σ = 135638880. Its totient is φ = 31300992.

The previous prime is 68471213. The next prime is 68471243. The reversal of 68471235 is 53217486.

It is not a de Polignac number, because 68471235 - 2¹⁵ = 68438467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68471235.

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 23 ways as a sum of consecutive naturals, for example, 108370 + ... + 108999.

It is an arithmetic number, because the mean of its divisors is an integer number (5651620).

Almost surely, 2^68471235 is an apocalyptic number.

68471235 is a deficient number, since it is larger than the sum of its proper divisors (67167645).

68471235 is a wasteful number, since it uses less digits than its factorization.

68471235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217387 (or 217384 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 68471235 is about 8274.7347389509. The cubic root of 68471235 is about 409.1061928970.

The spelling of 68471235 in words is "sixty-eight million, four hundred seventy-one thousand, two hundred thirty-five".