30128006 has 8 divisors (see below), whose sum is σ = 45658200. Its totient is φ = 14908608.

The previous prime is 30127991. The next prime is 30128011. The reversal of 30128006 is 60082103.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77456 + ... + 77843.

It is an arithmetic number, because the mean of its divisors is an integer number (5707275).

Almost surely, 2^30128006 is an apocalyptic number.

30128006 is a deficient number, since it is larger than the sum of its proper divisors (15530194).

30128006 is a wasteful number, since it uses less digits than its factorization.

30128006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155398.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 30128006 is about 5488.8984322904. The cubic root of 30128006 is about 311.1645617442.

The spelling of 30128006 in words is "thirty million, one hundred twenty-eight thousand, six".