30950072 has 16 divisors (see below), whose sum is σ = 58326000. Its totient is φ = 15396480.

The previous prime is 30950063. The next prime is 30950083. The reversal of 30950072 is 27005903.

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, 8129 + ... + 11312.

It is an arithmetic number, because the mean of its divisors is an integer number (3645375).

Almost surely, 2^30950072 is an apocalyptic number.

It is an amenable number.

30950072 is a deficient number, since it is larger than the sum of its proper divisors (27375928).

30950072 is a wasteful number, since it uses less digits than its factorization.

30950072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19646 (or 19642 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 30950072 is about 5563.2788892882. The cubic root of 30950072 is about 313.9693263883.

Adding to 30950072 its reverse (27005903), we get a palindrome (57955975).

The spelling of 30950072 in words is "thirty million, nine hundred fifty thousand, seventy-two".