67489869 has 8 divisors (see below), whose sum is σ = 90034912. Its totient is φ = 44969040.

The previous prime is 67489853. The next prime is 67489871. The reversal of 67489869 is 96898476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67489869 - 2⁴ = 67489853 is a prime.

It is a super-2 number, since 2×67489869² = 9109764835274322, which contains 22 as substring.

It is a Duffinian 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 (67489879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974 + ... + 11784.

It is an arithmetic number, because the mean of its divisors is an integer number (11254364).

Almost surely, 2^67489869 is an apocalyptic number.

It is an amenable number.

67489869 is a deficient number, since it is larger than the sum of its proper divisors (22545043).

67489869 is a wasteful number, since it uses less digits than its factorization.

67489869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12107.

The product of its digits is 5225472, while the sum is 57.

The square root of 67489869 is about 8215.2217864158. The cubic root of 67489869 is about 407.1422712738.

The spelling of 67489869 in words is "sixty-seven million, four hundred eighty-nine thousand, eight hundred sixty-nine".