68851473 has 16 divisors (see below), whose sum is σ = 93252096. Its totient is φ = 45181440.

The previous prime is 68851441. The next prime is 68851477. The reversal of 68851473 is 37415886.

It is not a de Polignac number, because 68851473 - 2⁵ = 68851441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68851477) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 64363 + ... + 65423.

It is an arithmetic number, because the mean of its divisors is an integer number (5828256).

Almost surely, 2^68851473 is an apocalyptic number.

It is an amenable number.

68851473 is a deficient number, since it is larger than the sum of its proper divisors (24400623).

68851473 is a wasteful number, since it uses less digits than its factorization.

68851473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384.

The product of its digits is 161280, while the sum is 42.

The square root of 68851473 is about 8297.6787718012. The cubic root of 68851473 is about 409.8620852815.

It can be divided in two parts, 68851 and 473, that multiplied together give a palindrome (32566523).

The spelling of 68851473 in words is "sixty-eight million, eight hundred fifty-one thousand, four hundred seventy-three".