30072033 has 16 divisors (see below), whose sum is σ = 44831040. Its totient is φ = 19922112.

The previous prime is 30072023. The next prime is 30072067. The reversal of 30072033 is 33027003.

It is not a de Polignac number, because 30072033 - 2⁵ = 30072001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30071997 and 30072015.

It is not an unprimeable number, because it can be changed into a prime (30072013) 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, 985 + ... + 7817.

It is an arithmetic number, because the mean of its divisors is an integer number (2801940).

Almost surely, 2^30072033 is an apocalyptic number.

It is an amenable number.

30072033 is a deficient number, since it is larger than the sum of its proper divisors (14759007).

30072033 is a wasteful number, since it uses less digits than its factorization.

30072033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7005 (or 6999 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 18.

The square root of 30072033 is about 5483.7973157293. The cubic root of 30072033 is about 310.9717443476.

Adding to 30072033 its reverse (33027003), we get a palindrome (63099036).

The spelling of 30072033 in words is "thirty million, seventy-two thousand, thirty-three".