30036572 has 12 divisors (see below), whose sum is σ = 53682720. Its totient is φ = 14698656.

The previous prime is 30036557. The next prime is 30036577. The reversal of 30036572 is 27563003.

It is a super-2 number, since 2×30036572² = 1804391315022368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30036577) 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, 79697 + ... + 80072.

It is an arithmetic number, because the mean of its divisors is an integer number (4473560).

Almost surely, 2^30036572 is an apocalyptic number.

It is an amenable number.

30036572 is a deficient number, since it is larger than the sum of its proper divisors (23646148).

30036572 is a wasteful number, since it uses less digits than its factorization.

30036572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159820 (or 159818 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 30036572 is about 5480.5631097543. The cubic root of 30036572 is about 310.8494634411.

Adding to 30036572 its reverse (27563003), we get a palindrome (57599575).

The spelling of 30036572 in words is "thirty million, thirty-six thousand, five hundred seventy-two".