33872001 has 8 divisors (see below), whose sum is σ = 45244320. Its totient is φ = 22540512.

The previous prime is 33871993. The next prime is 33872011. The reversal of 33872001 is 10027833.

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

It is not a de Polignac number, because 33872001 - 2³ = 33871993 is a prime.

It is a super-2 number, since 2×33872001² = 2294624903488002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33872011) 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, 8215 + ... + 11628.

It is an arithmetic number, because the mean of its divisors is an integer number (5655540).

Almost surely, 2^33872001 is an apocalyptic number.

It is an amenable number.

33872001 is a deficient number, since it is larger than the sum of its proper divisors (11372319).

33872001 is a wasteful number, since it uses less digits than its factorization.

33872001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20415.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 33872001 is about 5819.9657215485. The cubic root of 33872001 is about 323.5541325547.

Adding to 33872001 its reverse (10027833), we get a palindrome (43899834).

The spelling of 33872001 in words is "thirty-three million, eight hundred seventy-two thousand, one".