30572052 has 96 divisors (see below), whose sum is σ = 87736320. Its totient is φ = 8087040.

The previous prime is 30572039. The next prime is 30572053. The reversal of 30572052 is 25027503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30572053) 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, 112677 + ... + 112947.

It is an arithmetic number, because the mean of its divisors is an integer number (913920).

Almost surely, 2^30572052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30572052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43868160).

30572052 is an abundant number, since it is smaller than the sum of its proper divisors (57164268).

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

30572052 is a wasteful number, since it uses less digits than its factorization.

30572052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 379 counting only the distinct ones).

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

The square root of 30572052 is about 5529.1999421254. The cubic root of 30572052 is about 312.6858269701.

Adding to 30572052 its reverse (25027503), we get a palindrome (55599555).

The spelling of 30572052 in words is "thirty million, five hundred seventy-two thousand, fifty-two".