33974081 has 2 divisors, whose sum is σ = 33974082. Its totient is φ = 33974080.

The previous prime is 33974053. The next prime is 33974099. The reversal of 33974081 is 18047933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33825856 + 148225 = 5816^2 + 385^2 .

It is an emirp because it is prime and its reverse (18047933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33974081 - 2¹⁴ = 33957697 is a prime.

It is a super-2 number, since 2×33974081² = 2308476359589122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33979081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16987040 + 16987041.

It is an arithmetic number, because the mean of its divisors is an integer number (16987041).

Almost surely, 2^33974081 is an apocalyptic number.

It is an amenable number.

33974081 is a deficient number, since it is larger than the sum of its proper divisors (1).

33974081 is an equidigital number, since it uses as much as digits as its factorization.

33974081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 33974081 is about 5828.7289351968. The cubic root of 33974081 is about 323.8788381237.

The spelling of 33974081 in words is "thirty-three million, nine hundred seventy-four thousand, eighty-one".