30132572 has 12 divisors (see below), whose sum is σ = 52801560. Its totient is φ = 15046416.

The previous prime is 30132497. The next prime is 30132577. The reversal of 30132572 is 27523103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30132577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247 + ... + 7862.

It is an arithmetic number, because the mean of its divisors is an integer number (4400130).

Almost surely, 2^30132572 is an apocalyptic number.

It is an amenable number.

30132572 is a deficient number, since it is larger than the sum of its proper divisors (22668988).

30132572 is a wasteful number, since it uses less digits than its factorization.

30132572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9940 (or 9938 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 30132572 is about 5489.3143469836. The cubic root of 30132572 is about 311.1802802932.

Adding to 30132572 its reverse (27523103), we get a palindrome (57655675).

The spelling of 30132572 in words is "thirty million, one hundred thirty-two thousand, five hundred seventy-two".