30202072 has 16 divisors (see below), whose sum is σ = 57180240. Its totient is φ = 14954016.

The previous prime is 30202063. The next prime is 30202093. The reversal of 30202072 is 27020203.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17503 + ... + 19150.

It is an arithmetic number, because the mean of its divisors is an integer number (3573765).

Almost surely, 2^30202072 is an apocalyptic number.

It is an amenable number.

30202072 is a deficient number, since it is larger than the sum of its proper divisors (26978168).

30202072 is a wasteful number, since it uses less digits than its factorization.

30202072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36762 (or 36758 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 30202072 is about 5495.6411818822. The cubic root of 30202072 is about 311.4193396889.

Adding to 30202072 its reverse (27020203), we get a palindrome (57222275).

The spelling of 30202072 in words is "thirty million, two hundred two thousand, seventy-two".