30202472 has 32 divisors (see below), whose sum is σ = 60435720. Its totient is φ = 14100480.

The previous prime is 30202453. The next prime is 30202481. The reversal of 30202472 is 27420203.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30096196 + 106276 = 5486^2 + 326^2 .

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 7 ways as a sum of consecutive naturals, for example, 17822 + ... + 19442.

Almost surely, 2^30202472 is an apocalyptic number.

It is an amenable number.

30202472 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

30202472 is a wasteful number, since it uses less digits than its factorization.

30202472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 30202472 is about 5495.6775742396. The cubic root of 30202472 is about 311.4207145083.

Adding to 30202472 its reverse (27420203), we get a palindrome (57622675).

The spelling of 30202472 in words is "thirty million, two hundred two thousand, four hundred seventy-two".