30743089 has 8 divisors (see below), whose sum is σ = 35055720. Its totient is φ = 26708736.

The previous prime is 30743051. The next prime is 30743093. The reversal of 30743089 is 98034703.

It can be written as a sum of positive squares in 4 ways, for example, as 10131489 + 20611600 = 3183^2 + 4540^2 .

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 30743089 - 2⁷ = 30742961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30743099) 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, 69334 + ... + 69775.

It is an arithmetic number, because the mean of its divisors is an integer number (4381965).

Almost surely, 2^30743089 is an apocalyptic number.

It is an amenable number.

30743089 is a deficient number, since it is larger than the sum of its proper divisors (4312631).

30743089 is a wasteful number, since it uses less digits than its factorization.

30743089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139139.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 30743089 is about 5544.6450743037. The cubic root of 30743089 is about 313.2678555147.

The spelling of 30743089 in words is "thirty million, seven hundred forty-three thousand, eighty-nine".