68474185 has 8 divisors (see below), whose sum is σ = 88489800. Its totient is φ = 50565504.

The previous prime is 68474183. The next prime is 68474207. The reversal of 68474185 is 58147486.

It can be written as a sum of positive squares in 4 ways, for example, as 1692601 + 66781584 = 1301^2 + 8172^2 .

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 68474185 - 2¹ = 68474183 is a prime.

It is a super-2 number, since 2×68474185² = 9377428022828450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68474183) 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 7 ways as a sum of consecutive naturals, for example, 526660 + ... + 526789.

It is an arithmetic number, because the mean of its divisors is an integer number (11061225).

Almost surely, 2^68474185 is an apocalyptic number.

68474185 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68474185 is a deficient number, since it is larger than the sum of its proper divisors (20015615).

68474185 is a wasteful number, since it uses less digits than its factorization.

68474185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053467.

The product of its digits is 215040, while the sum is 43.

The square root of 68474185 is about 8274.9129904791. The cubic root of 68474185 is about 409.1120680938.

The spelling of 68474185 in words is "sixty-eight million, four hundred seventy-four thousand, one hundred eighty-five".