30075081 has 8 divisors (see below), whose sum is σ = 42210720. Its totient is φ = 18994752.

The previous prime is 30075049. The next prime is 30075107. The reversal of 30075081 is 18057003.

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

It is not a de Polignac number, because 30075081 - 2⁵ = 30075049 is a prime.

It is a super-2 number, since 2×30075081² = 1809020994313122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30075011) 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 7 ways as a sum of consecutive naturals, for example, 263760 + ... + 263873.

It is an arithmetic number, because the mean of its divisors is an integer number (5276340).

Almost surely, 2^30075081 is an apocalyptic number.

It is an amenable number.

30075081 is a deficient number, since it is larger than the sum of its proper divisors (12135639).

30075081 is a wasteful number, since it uses less digits than its factorization.

30075081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527655.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 30075081 is about 5484.0752183025. The cubic root of 30075081 is about 310.9822503423.

The spelling of 30075081 in words is "thirty million, seventy-five thousand, eighty-one".