33672916 has 12 divisors (see below), whose sum is σ = 59098900. Its totient is φ = 16787520.

The previous prime is 33672887. The next prime is 33672917. The reversal of 33672916 is 61927633.

It can be written as a sum of positive squares in 2 ways, for example, as 17189316 + 16483600 = 4146^2 + 4060^2 .

It is a super-2 number, since 2×33672916² = 2267730543886112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33672917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10665 + ... + 13456.

Almost surely, 2^33672916 is an apocalyptic number.

It is an amenable number.

33672916 is a deficient number, since it is larger than the sum of its proper divisors (25425984).

33672916 is a wasteful number, since it uses less digits than its factorization.

33672916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24474 (or 24472 counting only the distinct ones).

The product of its digits is 40824, while the sum is 37.

The square root of 33672916 is about 5802.8368924174. The cubic root of 33672916 is about 322.9189827060.

The spelling of 33672916 in words is "thirty-three million, six hundred seventy-two thousand, nine hundred sixteen".