33361472 has 28 divisors (see below), whose sum is σ = 66956940. Its totient is φ = 16490496.

The previous prime is 33361459. The next prime is 33361481. The reversal of 33361472 is 27416333.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20286016 + 13075456 = 4504^2 + 3616^2 .

It is a super-2 number, since 2×33361472² = 2225975628013568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2768 + ... + 8624.

Almost surely, 2^33361472 is an apocalyptic number.

33361472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33361472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33478470).

33361472 is an abundant number, since it is smaller than the sum of its proper divisors (33595468).

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

33361472 is an equidigital number, since it uses as much as digits as its factorization.

33361472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5958 (or 5948 counting only the distinct ones).

The product of its digits is 9072, while the sum is 29.

The square root of 33361472 is about 5775.9390578502. The cubic root of 33361472 is about 321.9203280117.

It can be divided in two parts, 33361 and 472, that added together give a palindrome (33833).

The spelling of 33361472 in words is "thirty-three million, three hundred sixty-one thousand, four hundred seventy-two".