33230072 has 8 divisors (see below), whose sum is σ = 62306400. Its totient is φ = 16615032.

The previous prime is 33230017. The next prime is 33230077. The reversal of 33230072 is 27003233.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×33230072² = 2208475370250368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33230077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2076872 + ... + 2076887.

It is an arithmetic number, because the mean of its divisors is an integer number (7788300).

Almost surely, 2^33230072 is an apocalyptic number.

It is an amenable number.

33230072 is a deficient number, since it is larger than the sum of its proper divisors (29076328).

33230072 is a wasteful number, since it uses less digits than its factorization.

33230072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153765 (or 4153761 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 33230072 is about 5764.5530615998. The cubic root of 33230072 is about 321.4971253755.

The spelling of 33230072 in words is "thirty-three million, two hundred thirty thousand, seventy-two".