4073649 has 4 divisors (see below), whose sum is σ = 5431536. Its totient is φ = 2715764.

The previous prime is 4073627. The next prime is 4073677. The reversal of 4073649 is 9463704.

4073649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4073649 - 2⁷ = 4073521 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4073609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678939 + ... + 678944.

It is an arithmetic number, because the mean of its divisors is an integer number (1357884).

Almost surely, 2^4073649 is an apocalyptic number.

It is an amenable number.

4073649 is a deficient number, since it is larger than the sum of its proper divisors (1357887).

4073649 is a wasteful number, since it uses less digits than its factorization.

4073649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357886.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 4073649 is about 2018.3282686421. The cubic root of 4073649 is about 159.7084403831.

The spelling of 4073649 in words is "four million, seventy-three thousand, six hundred forty-nine".