33245272 has 8 divisors (see below), whose sum is σ = 62334900. Its totient is φ = 16622632.

The previous prime is 33245243. The next prime is 33245273. The reversal of 33245272 is 27254233.

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

It is a super-2 number, since 2×33245272² = 2210496220707968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33245272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33245273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077822 + ... + 2077837.

Almost surely, 2^33245272 is an apocalyptic number.

It is an amenable number.

33245272 is a deficient number, since it is larger than the sum of its proper divisors (29089628).

33245272 is a wasteful number, since it uses less digits than its factorization.

33245272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155665 (or 4155661 counting only the distinct ones).

The product of its digits is 10080, while the sum is 28.

The square root of 33245272 is about 5765.8713131668. The cubic root of 33245272 is about 321.5461373207.

The spelling of 33245272 in words is "thirty-three million, two hundred forty-five thousand, two hundred seventy-two".