33920741 has 2 divisors, whose sum is σ = 33920742. Its totient is φ = 33920740.

The previous prime is 33920717. The next prime is 33920759. The reversal of 33920741 is 14702933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28398241 + 5522500 = 5329^2 + 2350^2 .

It is a cyclic number.

It is not a de Polignac number, because 33920741 - 2¹⁴ = 33904357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33920141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16960370 + 16960371.

It is an arithmetic number, because the mean of its divisors is an integer number (16960371).

Almost surely, 2^33920741 is an apocalyptic number.

It is an amenable number.

33920741 is a deficient number, since it is larger than the sum of its proper divisors (1).

33920741 is an equidigital number, since it uses as much as digits as its factorization.

33920741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 33920741 is about 5824.1515261882. The cubic root of 33920741 is about 323.7092505472.

The spelling of 33920741 in words is "thirty-three million, nine hundred twenty thousand, seven hundred forty-one".