68983489 has 8 divisors (see below), whose sum is σ = 71688960. Its totient is φ = 66299856.

The previous prime is 68983487. The next prime is 68983493. The reversal of 68983489 is 98438986.

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 68983489 - 2¹ = 68983487 is a prime.

It is a super-2 number, since 2×68983489² = 9517443509226242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68983483) 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, 1134 + ... + 11800.

It is an arithmetic number, because the mean of its divisors is an integer number (8961120).

Almost surely, 2^68983489 is an apocalyptic number.

It is an amenable number.

68983489 is a deficient number, since it is larger than the sum of its proper divisors (2705471).

68983489 is a wasteful number, since it uses less digits than its factorization.

68983489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10919.

The product of its digits is 2985984, while the sum is 55.

The square root of 68983489 is about 8305.6299580465. The cubic root of 68983489 is about 410.1238749232.

The spelling of 68983489 in words is "sixty-eight million, nine hundred eighty-three thousand, four hundred eighty-nine".