30372252 has 36 divisors (see below), whose sum is σ = 71872920. Its totient is φ = 9982464.

The previous prime is 30372211. The next prime is 30372257. The reversal of 30372252 is 25227303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30372257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112774 + ... + 113042.

It is an arithmetic number, because the mean of its divisors is an integer number (1996470).

Almost surely, 2^30372252 is an apocalyptic number.

It is an amenable number.

30372252 is an abundant number, since it is smaller than the sum of its proper divisors (41500668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30372252 is a wasteful number, since it uses less digits than its factorization.

30372252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 30372252 is about 5511.1026120006. The cubic root of 30372252 is about 312.0031640047.

Adding to 30372252 its reverse (25227303), we get a palindrome (55599555).

The spelling of 30372252 in words is "thirty million, three hundred seventy-two thousand, two hundred fifty-two".