33349272 has 32 divisors (see below), whose sum is σ = 90953280. Its totient is φ = 10105760.

The previous prime is 33349271. The next prime is 33349289. The reversal of 33349272 is 27294333.

It is a super-2 number, since 2×33349272² = 2224347885859968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33349271) 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, 62898 + ... + 63425.

It is an arithmetic number, because the mean of its divisors is an integer number (2842290).

Almost surely, 2^33349272 is an apocalyptic number.

It is an amenable number.

33349272 is an abundant number, since it is smaller than the sum of its proper divisors (57604008).

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

33349272 is a wasteful number, since it uses less digits than its factorization.

33349272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126343 (or 126339 counting only the distinct ones).

The product of its digits is 27216, while the sum is 33.

The square root of 33349272 is about 5774.8828559547. The cubic root of 33349272 is about 321.8810820732.

The spelling of 33349272 in words is "thirty-three million, three hundred forty-nine thousand, two hundred seventy-two".