33561764 has 6 divisors (see below), whose sum is σ = 58733094. Its totient is φ = 16780880.

The previous prime is 33561751. The next prime is 33561767. The reversal of 33561764 is 46716533.

It can be written as a sum of positive squares in only one way, i.e., 26956864 + 6604900 = 5192^2 + 2570^2 .

It is a super-2 number, since 2×33561764² = 2252784005583392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33561767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4195217 + ... + 4195224.

It is an arithmetic number, because the mean of its divisors is an integer number (9788849).

Almost surely, 2^33561764 is an apocalyptic number.

It is an amenable number.

33561764 is a deficient number, since it is larger than the sum of its proper divisors (25171330).

33561764 is a wasteful number, since it uses less digits than its factorization.

33561764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8390445 (or 8390443 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 33561764 is about 5793.2515912914. The cubic root of 33561764 is about 322.5632798527.

The spelling of 33561764 in words is "thirty-three million, five hundred sixty-one thousand, seven hundred sixty-four".