33481473 has 4 divisors (see below), whose sum is σ = 44641968. Its totient is φ = 22320980.

The previous prime is 33481471. The next prime is 33481499. The reversal of 33481473 is 37418433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33481473 - 2¹ = 33481471 is a prime.

It is a super-2 number, since 2×33481473² = 2242018068499458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33481471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5580243 + ... + 5580248.

It is an arithmetic number, because the mean of its divisors is an integer number (11160492).

Almost surely, 2^33481473 is an apocalyptic number.

It is an amenable number.

33481473 is a deficient number, since it is larger than the sum of its proper divisors (11160495).

33481473 is a wasteful number, since it uses less digits than its factorization.

33481473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160494.

The product of its digits is 24192, while the sum is 33.

The square root of 33481473 is about 5786.3177410163. The cubic root of 33481473 is about 322.3058479254.

The spelling of 33481473 in words is "thirty-three million, four hundred eighty-one thousand, four hundred seventy-three".