67713189 has 4 divisors (see below), whose sum is σ = 90284256. Its totient is φ = 45142124.

The previous prime is 67713187. The next prime is 67713203. The reversal of 67713189 is 98131776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67713189 - 2¹ = 67713187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67713189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67713187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11285529 + ... + 11285534.

It is an arithmetic number, because the mean of its divisors is an integer number (22571064).

Almost surely, 2^67713189 is an apocalyptic number.

It is an amenable number.

67713189 is a deficient number, since it is larger than the sum of its proper divisors (22571067).

67713189 is a wasteful number, since it uses less digits than its factorization.

67713189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22571066.

The product of its digits is 63504, while the sum is 42.

The square root of 67713189 is about 8228.8024037523. The cubic root of 67713189 is about 407.5908467960.

The spelling of 67713189 in words is "sixty-seven million, seven hundred thirteen thousand, one hundred eighty-nine".