33333472 has 12 divisors (see below), whose sum is σ = 65625336. Its totient is φ = 16666720.

The previous prime is 33333431. The next prime is 33333473. The reversal of 33333472 is 27433333.

It is a super-2 number, since 2×33333472² = 2222240711149568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33333472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33333473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520804 + ... + 520867.

It is an arithmetic number, because the mean of its divisors is an integer number (5468778).

Almost surely, 2^33333472 is an apocalyptic number.

33333472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33333472 is a deficient number, since it is larger than the sum of its proper divisors (32291864).

33333472 is a wasteful number, since it uses less digits than its factorization.

33333472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041681 (or 1041673 counting only the distinct ones).

The product of its digits is 13608, while the sum is 28.

The square root of 33333472 is about 5773.5147007694. The cubic root of 33333472 is about 321.8302411386.

The spelling of 33333472 in words is "thirty-three million, three hundred thirty-three thousand, four hundred seventy-two".