4074649 has 2 divisors, whose sum is σ = 4074650. Its totient is φ = 4074648.

The previous prime is 4074647. The next prime is 4074677. The reversal of 4074649 is 9464704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3489424 + 585225 = 1868^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 4074649 - 2¹ = 4074647 is a prime.

Together with 4074647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4074647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2037324 + 2037325.

It is an arithmetic number, because the mean of its divisors is an integer number (2037325).

Almost surely, 2^4074649 is an apocalyptic number.

It is an amenable number.

4074649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4074649 is an equidigital number, since it uses as much as digits as its factorization.

4074649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 4074649 is about 2018.5759832119. The cubic root of 4074649 is about 159.7215077316.

The spelling of 4074649 in words is "four million, seventy-four thousand, six hundred forty-nine".