33949973 has 2 divisors, whose sum is σ = 33949974. Its totient is φ = 33949972.

The previous prime is 33949967. The next prime is 33949987. The reversal of 33949973 is 37994933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33895684 + 54289 = 5822^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 33949973 - 2¹⁴ = 33933589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33949913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16974986 + 16974987.

It is an arithmetic number, because the mean of its divisors is an integer number (16974987).

Almost surely, 2^33949973 is an apocalyptic number.

It is an amenable number.

33949973 is a deficient number, since it is larger than the sum of its proper divisors (1).

33949973 is an equidigital number, since it uses as much as digits as its factorization.

33949973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 47.

The square root of 33949973 is about 5826.6605358473. The cubic root of 33949973 is about 323.8022118801.

The spelling of 33949973 in words is "thirty-three million, nine hundred forty-nine thousand, nine hundred seventy-three".