30028070 has 8 divisors (see below), whose sum is σ = 54050544. Its totient is φ = 12011224.

The previous prime is 30028027. The next prime is 30028091. The reversal of 30028070 is 7082003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501394 + ... + 1501413.

It is an arithmetic number, because the mean of its divisors is an integer number (6756318).

Almost surely, 2^30028070 is an apocalyptic number.

30028070 is a deficient number, since it is larger than the sum of its proper divisors (24022474).

30028070 is a wasteful number, since it uses less digits than its factorization.

30028070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002814.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 30028070 is about 5479.7874046353. The cubic root of 30028070 is about 310.8201315150.

The spelling of 30028070 in words is "thirty million, twenty-eight thousand, seventy".