33475945 has 16 divisors (see below), whose sum is σ = 40930560. Its totient is φ = 26280000.

The previous prime is 33475943. The next prime is 33475957. The reversal of 33475945 is 54957433.

It is a happy number.

It is not a de Polignac number, because 33475945 - 2¹ = 33475943 is a prime.

It is a super-3 number, since 3×33475945³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 33475898 and 33475907.

It is not an unprimeable number, because it can be changed into a prime (33475943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76036 + ... + 76474.

It is an arithmetic number, because the mean of its divisors is an integer number (2558160).

Almost surely, 2^33475945 is an apocalyptic number.

It is an amenable number.

33475945 is a deficient number, since it is larger than the sum of its proper divisors (7454615).

33475945 is a wasteful number, since it uses less digits than its factorization.

33475945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its digits is 226800, while the sum is 40.

The square root of 33475945 is about 5785.8400427250. The cubic root of 33475945 is about 322.2881087139.

The spelling of 33475945 in words is "thirty-three million, four hundred seventy-five thousand, nine hundred forty-five".