68484387 has 16 divisors (see below), whose sum is σ = 92731392. Its totient is φ = 44952480.

The previous prime is 68484359. The next prime is 68484407. The reversal of 68484387 is 78348486.

It is not a de Polignac number, because 68484387 - 2¹⁶ = 68418851 is a prime.

It is a super-2 number, since 2×68484387² = 9380222525531538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68484307) 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 15 ways as a sum of consecutive naturals, for example, 60753 + ... + 61869.

It is an arithmetic number, because the mean of its divisors is an integer number (5795712).

Almost surely, 2^68484387 is an apocalyptic number.

68484387 is a deficient number, since it is larger than the sum of its proper divisors (24247005).

68484387 is a wasteful number, since it uses less digits than its factorization.

68484387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418.

The product of its digits is 1032192, while the sum is 48.

The square root of 68484387 is about 8275.5294090469. The cubic root of 68484387 is about 409.1323850159.

The spelling of 68484387 in words is "sixty-eight million, four hundred eighty-four thousand, three hundred eighty-seven".