67738489 has 16 divisors (see below), whose sum is σ = 88276608. Its totient is φ = 50441472.

The previous prime is 67738483. The next prime is 67738493. The reversal of 67738489 is 98483776.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 67738489 - 2¹⁹ = 67214201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67738483) 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, 20347 + ... + 23440.

It is an arithmetic number, because the mean of its divisors is an integer number (5517288).

Almost surely, 2^67738489 is an apocalyptic number.

It is an amenable number.

67738489 is a deficient number, since it is larger than the sum of its proper divisors (20538119).

67738489 is a wasteful number, since it uses less digits than its factorization.

67738489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43824.

The product of its digits is 2032128, while the sum is 52.

The square root of 67738489 is about 8230.3395434210. The cubic root of 67738489 is about 407.6416038421.

The spelling of 67738489 in words is "sixty-seven million, seven hundred thirty-eight thousand, four hundred eighty-nine".