33425972 has 12 divisors (see below), whose sum is σ = 59064096. Its totient is φ = 16550520.

The previous prime is 33425971. The next prime is 33425981. The reversal of 33425972 is 27952433.

It is a super-2 number, since 2×33425972² = 2234591208289568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33425971) 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 in 3 ways as a sum of consecutive naturals, for example, 40154 + ... + 40977.

It is an arithmetic number, because the mean of its divisors is an integer number (4922008).

Almost surely, 2^33425972 is an apocalyptic number.

It is an amenable number.

33425972 is a deficient number, since it is larger than the sum of its proper divisors (25638124).

33425972 is a wasteful number, since it uses less digits than its factorization.

33425972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81238 (or 81236 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 33425972 is about 5781.5198693769. The cubic root of 33425972 is about 322.1276579333.

The spelling of 33425972 in words is "thirty-three million, four hundred twenty-five thousand, nine hundred seventy-two".