4526749 has 4 divisors (see below), whose sum is σ = 4601020. Its totient is φ = 4452480.

The previous prime is 4526729. The next prime is 4526771. The reversal of 4526749 is 9476254.

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 2424249 + 2102500 = 1557^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 4526749 - 2¹¹ = 4524701 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 5⁵ + 2³ + 6⁵ + 7³ + 4¹¹ + 9⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4526729) 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, 37044 + ... + 37165.

It is an arithmetic number, because the mean of its divisors is an integer number (1150255).

Almost surely, 2^4526749 is an apocalyptic number.

It is an amenable number.

4526749 is a deficient number, since it is larger than the sum of its proper divisors (74271).

4526749 is an equidigital number, since it uses as much as digits as its factorization.

4526749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74270.

The product of its digits is 60480, while the sum is 37.

The square root of 4526749 is about 2127.6158017838. The cubic root of 4526749 is about 165.4228395680.

The spelling of 4526749 in words is "four million, five hundred twenty-six thousand, seven hundred forty-nine".