33673920 has 112 divisors (see below), whose sum is σ = 122212608. Its totient is φ = 7695360.

The previous prime is 33673919. The next prime is 33673933. The reversal of 33673920 is 2937633.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×33673920² = 2267865776332800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4215 + ... + 9225.

It is an arithmetic number, because the mean of its divisors is an integer number (1091184).

Almost surely, 2^33673920 is an apocalyptic number.

33673920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33673920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61106304).

33673920 is an abundant number, since it is smaller than the sum of its proper divisors (88538688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33673920 is a wasteful number, since it uses less digits than its factorization.

33673920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038 (or 5028 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 33.

The square root of 33673920 is about 5802.9234011832. The cubic root of 33673920 is about 322.9221920849.

The spelling of 33673920 in words is "thirty-three million, six hundred seventy-three thousand, nine hundred twenty".