33130475 has 36 divisors (see below), whose sum is σ = 48760272. Its totient is φ = 21873600.

The previous prime is 33130469. The next prime is 33130477. The reversal of 33130475 is 57403133.

It is not a de Polignac number, because 33130475 - 2⁶ = 33130411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130477) 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 35 ways as a sum of consecutive naturals, for example, 168077 + ... + 168273.

It is an arithmetic number, because the mean of its divisors is an integer number (1354452).

Almost surely, 2^33130475 is an apocalyptic number.

33130475 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

33130475 is a deficient number, since it is larger than the sum of its proper divisors (15629797).

33130475 is a wasteful number, since it uses less digits than its factorization.

33130475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 33130475 is about 5755.9078345644. The cubic root of 33130475 is about 321.1756074366.

The spelling of 33130475 in words is "thirty-three million, one hundred thirty thousand, four hundred seventy-five".