67249589 has 8 divisors (see below), whose sum is σ = 73513440. Its totient is φ = 61010800.

The previous prime is 67249583. The next prime is 67249613. The reversal of 67249589 is 98594276.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67249589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67249583) 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, 407 + ... + 11604.

It is an arithmetic number, because the mean of its divisors is an integer number (9189180).

Almost surely, 2^67249589 is an apocalyptic number.

It is an amenable number.

67249589 is a deficient number, since it is larger than the sum of its proper divisors (6263851).

67249589 is a wasteful number, since it uses less digits than its factorization.

67249589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12531.

The product of its digits is 1088640, while the sum is 50.

The square root of 67249589 is about 8200.5846742778. The cubic root of 67249589 is about 406.6585222622.

The spelling of 67249589 in words is "sixty-seven million, two hundred forty-nine thousand, five hundred eighty-nine".