68532418 has 8 divisors (see below), whose sum is σ = 102894012. Its totient is φ = 34234416.

The previous prime is 68532397. The next prime is 68532437. The reversal of 68532418 is 81423586.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66797929 + 1734489 = 8173^2 + 1317^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 13105 + ... + 17572.

Almost surely, 2^68532418 is an apocalyptic number.

68532418 is a deficient number, since it is larger than the sum of its proper divisors (34361594).

68532418 is a wasteful number, since it uses less digits than its factorization.

68532418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31796.

The product of its digits is 46080, while the sum is 37.

The square root of 68532418 is about 8278.4308899694. The cubic root of 68532418 is about 409.2280099517.

The spelling of 68532418 in words is "sixty-eight million, five hundred thirty-two thousand, four hundred eighteen".