30070085 has 24 divisors (see below), whose sum is σ = 38900736. Its totient is φ = 22271040.

The previous prime is 30070081. The next prime is 30070111. The reversal of 30070085 is 58007003.

It is not a de Polignac number, because 30070085 - 2² = 30070081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30070085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30070081) 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 23 ways as a sum of consecutive naturals, for example, 157340 + ... + 157530.

It is an arithmetic number, because the mean of its divisors is an integer number (1620864).

Almost surely, 2^30070085 is an apocalyptic number.

It is an amenable number.

30070085 is a deficient number, since it is larger than the sum of its proper divisors (8830651).

30070085 is a wasteful number, since it uses less digits than its factorization.

30070085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 30070085 is about 5483.6196987027. The cubic root of 30070085 is about 310.9650295146.

Adding to 30070085 its reverse (58007003), we get a palindrome (88077088).

The spelling of 30070085 in words is "thirty million, seventy thousand, eighty-five".