30532572 has 48 divisors (see below), whose sum is σ = 90469120. Its totient is φ = 8723376.

The previous prime is 30532519. The next prime is 30532573. The reversal of 30532572 is 27523503.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30532573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19438 + ... + 20949.

Almost surely, 2^30532572 is an apocalyptic number.

It is an amenable number.

30532572 is an abundant number, since it is smaller than the sum of its proper divisors (59936548).

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

30532572 is a wasteful number, since it uses less digits than its factorization.

30532572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40407 (or 40399 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 30532572 is about 5525.6286520178. The cubic root of 30532572 is about 312.5511707139.

It can be divided in two parts, 3053 and 2572, that added together give a square (5625 = 75²).

The spelling of 30532572 in words is "thirty million, five hundred thirty-two thousand, five hundred seventy-two".