33740039 has 2 divisors, whose sum is σ = 33740040. Its totient is φ = 33740038.

The previous prime is 33739999. The next prime is 33740099. The reversal of 33740039 is 93004733.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33740039 is a prime.

It is a super-2 number, since 2×33740039² = 2276780463443042, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 33739993 and 33740020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33740099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16870019 + 16870020.

It is an arithmetic number, because the mean of its divisors is an integer number (16870020).

Almost surely, 2^33740039 is an apocalyptic number.

33740039 is a deficient number, since it is larger than the sum of its proper divisors (1).

33740039 is an equidigital number, since it uses as much as digits as its factorization.

33740039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 33740039 is about 5808.6176496650. The cubic root of 33740039 is about 323.1334073039.

The spelling of 33740039 in words is "thirty-three million, seven hundred forty thousand, thirty-nine".