33073636 has 12 divisors (see below), whose sum is σ = 61283628. Its totient is φ = 15564032.

The previous prime is 33073633. The next prime is 33073637. The reversal of 33073636 is 63637033.

It can be written as a sum of positive squares in 2 ways, for example, as 13003236 + 20070400 = 3606^2 + 4480^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33073598 and 33073607.

It is not an unprimeable number, because it can be changed into a prime (33073633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243121 + ... + 243256.

It is an arithmetic number, because the mean of its divisors is an integer number (5106969).

Almost surely, 2^33073636 is an apocalyptic number.

It is an amenable number.

33073636 is a deficient number, since it is larger than the sum of its proper divisors (28209992).

33073636 is a wasteful number, since it uses less digits than its factorization.

33073636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486398 (or 486396 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 31.

The square root of 33073636 is about 5750.9682663009. The cubic root of 33073636 is about 320.9918315226.

The spelling of 33073636 in words is "thirty-three million, seventy-three thousand, six hundred thirty-six".