4550749 has 4 divisors (see below), whose sum is σ = 5200864. Its totient is φ = 3900636.

The previous prime is 4550737. The next prime is 4550771. The reversal of 4550749 is 9470554.

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 4550749 - 2²¹ = 2453597 is a prime.

It is a super-2 number, since 2×4550749² = 41418632922002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4550779) 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, 325047 + ... + 325060.

It is an arithmetic number, because the mean of its divisors is an integer number (1300216).

Almost surely, 2^4550749 is an apocalyptic number.

It is an amenable number.

4550749 is a deficient number, since it is larger than the sum of its proper divisors (650115).

4550749 is an equidigital number, since it uses as much as digits as its factorization.

4550749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650114.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 4550749 is about 2133.2484618534. The cubic root of 4550749 is about 165.7146716980.

The spelling of 4550749 in words is "four million, five hundred fifty thousand, seven hundred forty-nine".