33372736 has 28 divisors (see below), whose sum is σ = 68511420. Its totient is φ = 16110080.

The previous prime is 33372733. The next prime is 33372737. The reversal of 33372736 is 63727333.

It can be written as a sum of positive squares in 2 ways, for example, as 27878400 + 5494336 = 5280^2 + 2344^2 .

It is a super-2 number, since 2×33372736² = 2227479016251392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33372733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7135 + ... + 10846.

Almost surely, 2^33372736 is an apocalyptic number.

It is an amenable number.

33372736 is an abundant number, since it is smaller than the sum of its proper divisors (35138684).

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

33372736 is a wasteful number, since it uses less digits than its factorization.

33372736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18022 (or 18012 counting only the distinct ones).

The product of its digits is 47628, while the sum is 34.

The square root of 33372736 is about 5776.9140550990. The cubic root of 33372736 is about 321.9565544563.

The spelling of 33372736 in words is "thirty-three million, three hundred seventy-two thousand, seven hundred thirty-six".