33730901 has 2 divisors, whose sum is σ = 33730902. Its totient is φ = 33730900.

The previous prime is 33730861. The next prime is 33730919. The reversal of 33730901 is 10903733.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21298225 + 12432676 = 4615^2 + 3526^2 .

It is an emirp because it is prime and its reverse (10903733) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33730901 is a prime.

It is a super-2 number, since 2×33730901² = 2275547364543602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33730981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16865450 + 16865451.

It is an arithmetic number, because the mean of its divisors is an integer number (16865451).

Almost surely, 2^33730901 is an apocalyptic number.

It is an amenable number.

33730901 is a deficient number, since it is larger than the sum of its proper divisors (1).

33730901 is an equidigital number, since it uses as much as digits as its factorization.

33730901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 26.

The square root of 33730901 is about 5807.8310064946. The cubic root of 33730901 is about 323.1042326717.

The spelling of 33730901 in words is "thirty-three million, seven hundred thirty thousand, nine hundred one".