33475240 has 16 divisors (see below), whose sum is σ = 75319380. Its totient is φ = 13390080.

The previous prime is 33475237. The next prime is 33475279. The reversal of 33475240 is 4257433.

It can be written as a sum of positive squares in 2 ways, for example, as 33246756 + 228484 = 5766^2 + 478^2 .

It is a super-2 number, since 2×33475240² = 2241183386115200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33475199 and 33475208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418401 + ... + 418480.

Almost surely, 2^33475240 is an apocalyptic number.

It is an amenable number.

33475240 is an abundant number, since it is smaller than the sum of its proper divisors (41844140).

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

33475240 is a wasteful number, since it uses less digits than its factorization.

33475240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836892 (or 836888 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 33475240 is about 5785.7791178025. The cubic root of 33475240 is about 322.2858462464.

The spelling of 33475240 in words is "thirty-three million, four hundred seventy-five thousand, two hundred forty".