33275028 has 24 divisors (see below), whose sum is σ = 80147200. Its totient is φ = 10733760.

The previous prime is 33275027. The next prime is 33275029. The reversal of 33275028 is 82057233.

It is an interprime number because it is at equal distance from previous prime (33275027) and next prime (33275029).

It is a super-2 number, since 2×33275028² = 2214454976801568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33274986 and 33275004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33275027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44353 + ... + 45096.

Almost surely, 2^33275028 is an apocalyptic number.

It is an amenable number.

33275028 is an abundant number, since it is smaller than the sum of its proper divisors (46872172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33275028 is a wasteful number, since it uses less digits than its factorization.

33275028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89487 (or 89485 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 33275028 is about 5768.4510919310. The cubic root of 33275028 is about 321.6420414210.

The spelling of 33275028 in words is "thirty-three million, two hundred seventy-five thousand, twenty-eight".