33148972 has 12 divisors (see below), whose sum is σ = 60011280. Its totient is φ = 16002896.

The previous prime is 33148961. The next prime is 33148979. The reversal of 33148972 is 27984133.

It is not an unprimeable number, because it can be changed into a prime (33148979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142768 + ... + 142999.

It is an arithmetic number, because the mean of its divisors is an integer number (5000940).

Almost surely, 2^33148972 is an apocalyptic number.

It is an amenable number.

33148972 is a deficient number, since it is larger than the sum of its proper divisors (26862308).

33148972 is a wasteful number, since it uses less digits than its factorization.

33148972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285800 (or 285798 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 33148972 is about 5757.5143942504. The cubic root of 33148972 is about 321.2353679235.

The spelling of 33148972 in words is "thirty-three million, one hundred forty-eight thousand, nine hundred seventy-two".