67344489 has 12 divisors (see below), whose sum is σ = 97815172. Its totient is φ = 44647200.

The previous prime is 67344479. The next prime is 67344523. The reversal of 67344489 is 98444376.

It can be written as a sum of positive squares in 2 ways, for example, as 4665600 + 62678889 = 2160^2 + 7917^2 .

It is not a de Polignac number, because 67344489 - 2¹² = 67340393 is a prime.

It is a super-2 number, since 2×67344489² = 9070560397342242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67344449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19042 + ... + 22299.

Almost surely, 2^67344489 is an apocalyptic number.

It is an amenable number.

67344489 is a deficient number, since it is larger than the sum of its proper divisors (30470683).

67344489 is a wasteful number, since it uses less digits than its factorization.

67344489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41528 (or 41525 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 67344489 is about 8206.3688072131. The cubic root of 67344489 is about 406.8497192416.

The spelling of 67344489 in words is "sixty-seven million, three hundred forty-four thousand, four hundred eighty-nine".