33727028 has 12 divisors (see below), whose sum is σ = 59063172. Its totient is φ = 16851840.

The previous prime is 33727013. The next prime is 33727037. The reversal of 33727028 is 82072733.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29181604 + 4545424 = 5402^2 + 2132^2 .

It is a super-2 number, since 2×33727028² = 2275024835425568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33726985 and 33727003.

It is a congruent number.

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, 8876 + ... + 12092.

It is an arithmetic number, because the mean of its divisors is an integer number (4921931).

Almost surely, 2^33727028 is an apocalyptic number.

It is an amenable number.

33727028 is a deficient number, since it is larger than the sum of its proper divisors (25336144).

33727028 is a wasteful number, since it uses less digits than its factorization.

33727028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842 (or 5840 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 33727028 is about 5807.4975677997. The cubic root of 33727028 is about 323.0918658651.

The spelling of 33727028 in words is "thirty-three million, seven hundred twenty-seven thousand, twenty-eight".