73868389 has 8 divisors (see below), whose sum is σ = 84988800. Its totient is φ = 62889936.

The previous prime is 73868363. The next prime is 73868393. The reversal of 73868389 is 98386837.

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 not a de Polignac number, because 73868389 - 2⁷ = 73868261 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 (73868359) 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, 34369 + ... + 36454.

It is an arithmetic number, because the mean of its divisors is an integer number (10623600).

Almost surely, 2^73868389 is an apocalyptic number.

It is an amenable number.

73868389 is a deficient number, since it is larger than the sum of its proper divisors (11120411).

73868389 is a wasteful number, since it uses less digits than its factorization.

73868389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70979.

The product of its digits is 1741824, while the sum is 52.

The square root of 73868389 is about 8594.6721287086. The cubic root of 73868389 is about 419.5846025176.

The spelling of 73868389 in words is "seventy-three million, eight hundred sixty-eight thousand, three hundred eighty-nine".