33474981 has 8 divisors (see below), whose sum is σ = 44892000. Its totient is φ = 22187312.

The previous prime is 33474977. The next prime is 33474997. The reversal of 33474981 is 18947433.

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

It is a cyclic number.

It is not a de Polignac number, because 33474981 - 2² = 33474977 is a prime.

It is a super-2 number, since 2×33474981² = 2241148705900722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33474911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31731 + ... + 32768.

It is an arithmetic number, because the mean of its divisors is an integer number (5611500).

Almost surely, 2^33474981 is an apocalyptic number.

It is an amenable number.

33474981 is a deficient number, since it is larger than the sum of its proper divisors (11417019).

33474981 is a wasteful number, since it uses less digits than its factorization.

33474981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64675.

The product of its digits is 72576, while the sum is 39.

The square root of 33474981 is about 5785.7567352940. The cubic root of 33474981 is about 322.2850150624.

The spelling of 33474981 in words is "thirty-three million, four hundred seventy-four thousand, nine hundred eighty-one".