33940741 has 2 divisors, whose sum is σ = 33940742. Its totient is φ = 33940740.

The previous prime is 33940703. The next prime is 33940757. The reversal of 33940741 is 14704933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17048641 + 16892100 = 4129^2 + 4110^2 .

It is an emirp because it is prime and its reverse (14704933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33940741 - 2⁹ = 33940229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33940771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16970370 + 16970371.

It is an arithmetic number, because the mean of its divisors is an integer number (16970371).

Almost surely, 2^33940741 is an apocalyptic number.

It is an amenable number.

33940741 is a deficient number, since it is larger than the sum of its proper divisors (1).

33940741 is an equidigital number, since it uses as much as digits as its factorization.

33940741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 33940741 is about 5825.8682614697. The cubic root of 33940741 is about 323.7728587588.

The spelling of 33940741 in words is "thirty-three million, nine hundred forty thousand, seven hundred forty-one".