5627749 has 4 divisors (see below), whose sum is σ = 5648940. Its totient is φ = 5606560.

The previous prime is 5627747. The next prime is 5627753. The reversal of 5627749 is 9477265.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1979649 + 3648100 = 1407^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 5627749 - 2¹ = 5627747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5627747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10192 + ... + 10729.

It is an arithmetic number, because the mean of its divisors is an integer number (1412235).

Almost surely, 2^5627749 is an apocalyptic number.

It is an amenable number.

5627749 is a deficient number, since it is larger than the sum of its proper divisors (21191).

5627749 is a wasteful number, since it uses less digits than its factorization.

5627749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21190.

The product of its digits is 105840, while the sum is 40.

The square root of 5627749 is about 2372.2877144225. The cubic root of 5627749 is about 177.8736320609.

The spelling of 5627749 in words is "five million, six hundred twenty-seven thousand, seven hundred forty-nine".