33752146 has 8 divisors (see below), whose sum is σ = 50756940. Its totient is φ = 16833168.

The previous prime is 33752141. The next prime is 33752161. The reversal of 33752146 is 64125733.

It can be written as a sum of positive squares in 2 ways, for example, as 29278921 + 4473225 = 5411^2 + 2115^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33752146² = 2278414719210632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33752141) 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 in 3 ways as a sum of consecutive naturals, for example, 20461 + ... + 22048.

Almost surely, 2^33752146 is an apocalyptic number.

33752146 is a deficient number, since it is larger than the sum of its proper divisors (17004794).

33752146 is a wasteful number, since it uses less digits than its factorization.

33752146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42908.

The product of its digits is 15120, while the sum is 31.

The square root of 33752146 is about 5809.6597146477. The cubic root of 33752146 is about 323.1720528660.

Adding to 33752146 its reverse (64125733), we get a palindrome (97877879).

The spelling of 33752146 in words is "thirty-three million, seven hundred fifty-two thousand, one hundred forty-six".