68130589 has 4 divisors (see below), whose sum is σ = 69580224. Its totient is φ = 66680956.

The previous prime is 68130583. The next prime is 68130593. The reversal of 68130589 is 98503186.

It is a happy number.

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 68130589 - 2³ = 68130581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68130581) 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, 724747 + ... + 724840.

It is an arithmetic number, because the mean of its divisors is an integer number (17395056).

Almost surely, 2^68130589 is an apocalyptic number.

It is an amenable number.

68130589 is a deficient number, since it is larger than the sum of its proper divisors (1449635).

68130589 is a wasteful number, since it uses less digits than its factorization.

68130589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449634.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 68130589 is about 8254.1255745233. The cubic root of 68130589 is about 408.4266270611.

The spelling of 68130589 in words is "sixty-eight million, one hundred thirty thousand, five hundred eighty-nine".