33674749 has 2 divisors, whose sum is σ = 33674750. Its totient is φ = 33674748.

The previous prime is 33674747. The next prime is 33674779. The reversal of 33674749 is 94747633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24108100 + 9566649 = 4910^2 + 3093^2 .

It is an emirp because it is prime and its reverse (94747633) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33674749 - 2¹ = 33674747 is a prime.

It is a super-2 number, since 2×33674749² = 2267977440426002, which contains 22 as substring.

Together with 33674747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33674743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16837374 + 16837375.

It is an arithmetic number, because the mean of its divisors is an integer number (16837375).

Almost surely, 2^33674749 is an apocalyptic number.

It is an amenable number.

33674749 is a deficient number, since it is larger than the sum of its proper divisors (1).

33674749 is an equidigital number, since it uses as much as digits as its factorization.

33674749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 43.

The square root of 33674749 is about 5802.9948302579. The cubic root of 33674749 is about 322.9248420120.

The spelling of 33674749 in words is "thirty-three million, six hundred seventy-four thousand, seven hundred forty-nine".