30070889 has 4 divisors (see below), whose sum is σ = 30770256. Its totient is φ = 29371524.

The previous prime is 30070871. The next prime is 30070891. The reversal of 30070889 is 98807003.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98807003 = 137 ⋅721219.

It is a cyclic number.

It is not a de Polignac number, because 30070889 - 2⁸ = 30070633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30070819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349619 + ... + 349704.

It is an arithmetic number, because the mean of its divisors is an integer number (7692564).

Almost surely, 2^30070889 is an apocalyptic number.

It is an amenable number.

30070889 is a deficient number, since it is larger than the sum of its proper divisors (699367).

30070889 is an equidigital number, since it uses as much as digits as its factorization.

30070889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699366.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 30070889 is about 5483.6930074540. The cubic root of 30070889 is about 310.9678009695.

The spelling of 30070889 in words is "thirty million, seventy thousand, eight hundred eighty-nine".