33672401 has 4 divisors (see below), whose sum is σ = 38482752. Its totient is φ = 28862052.

The previous prime is 33672383. The next prime is 33672473. The reversal of 33672401 is 10427633.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33672401 - 2⁶ = 33672337 is a prime.

It is a super-2 number, since 2×33672401² = 2267661178209602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33677401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405165 + ... + 2405178.

It is an arithmetic number, because the mean of its divisors is an integer number (9620688).

Almost surely, 2^33672401 is an apocalyptic number.

It is an amenable number.

33672401 is a deficient number, since it is larger than the sum of its proper divisors (4810351).

33672401 is an equidigital number, since it uses as much as digits as its factorization.

33672401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810350.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 33672401 is about 5802.7925174006. The cubic root of 33672401 is about 322.9173364361.

The spelling of 33672401 in words is "thirty-three million, six hundred seventy-two thousand, four hundred one".