68529486 has 16 divisors (see below), whose sum is σ = 137309184. Its totient is φ = 22801464.

The previous prime is 68529481. The next prime is 68529493. The reversal of 68529486 is 68492586.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68529481) 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 7 ways as a sum of consecutive naturals, for example, 6766 + ... + 13521.

It is an arithmetic number, because the mean of its divisors is an integer number (8581824).

Almost surely, 2^68529486 is an apocalyptic number.

68529486 is an abundant number, since it is smaller than the sum of its proper divisors (68779698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68529486 is a wasteful number, since it uses less digits than its factorization.

68529486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20855.

The product of its digits is 829440, while the sum is 48.

The square root of 68529486 is about 8278.2538013762. The cubic root of 68529486 is about 409.2221739125. Note that the first 3 decimals are identical.

The spelling of 68529486 in words is "sixty-eight million, five hundred twenty-nine thousand, four hundred eighty-six".