30070545 has 32 divisors (see below), whose sum is σ = 51397632. Its totient is φ = 14976192.

The previous prime is 30070489. The next prime is 30070549. The reversal of 30070545 is 54507003.

It is not a de Polignac number, because 30070545 - 2¹⁰ = 30069521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30070549) 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 31 ways as a sum of consecutive naturals, for example, 13822 + ... + 15848.

It is an arithmetic number, because the mean of its divisors is an integer number (1606176).

Almost surely, 2^30070545 is an apocalyptic number.

It is an amenable number.

30070545 is a deficient number, since it is larger than the sum of its proper divisors (21327087).

30070545 is a wasteful number, since it uses less digits than its factorization.

30070545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 30070545 is about 5483.6616416406. The cubic root of 30070545 is about 310.9666151789.

Adding to 30070545 its reverse (54507003), we get a palindrome (84577548).

The spelling of 30070545 in words is "thirty million, seventy thousand, five hundred forty-five".