33420454 has 8 divisors (see below), whose sum is σ = 50309928. Its totient is φ = 16650480.

The previous prime is 33420451. The next prime is 33420461. The reversal of 33420454 is 45402433.

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

It is a super-2 number, since 2×33420454² = 2233853491132232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33420451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29172 + ... + 30295.

It is an arithmetic number, because the mean of its divisors is an integer number (6288741).

Almost surely, 2^33420454 is an apocalyptic number.

33420454 is a deficient number, since it is larger than the sum of its proper divisors (16889474).

33420454 is a wasteful number, since it uses less digits than its factorization.

33420454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59750.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 33420454 is about 5781.0426395245. The cubic root of 33420454 is about 322.1099312163.

Adding to 33420454 its reverse (45402433), we get a palindrome (78822887).

The spelling of 33420454 in words is "thirty-three million, four hundred twenty thousand, four hundred fifty-four".