4749561 has 6 divisors (see below), whose sum is σ = 6860490. Its totient is φ = 3166368.

The previous prime is 4749557. The next prime is 4749571. The reversal of 4749561 is 1659474.

4749561 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2499561 + 2250000 = 1581^2 + 1500^2 .

It is not a de Polignac number, because 4749561 - 2² = 4749557 is a prime.

4749561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4749551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263856 + ... + 263873.

It is an arithmetic number, because the mean of its divisors is an integer number (1143415).

Almost surely, 2^4749561 is an apocalyptic number.

It is an amenable number.

4749561 is a deficient number, since it is larger than the sum of its proper divisors (2110929).

4749561 is a wasteful number, since it uses less digits than its factorization.

4749561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527735 (or 527732 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 4749561 is about 2179.3487559360. The cubic root of 4749561 is about 168.0935915586.

The spelling of 4749561 in words is "four million, seven hundred forty-nine thousand, five hundred sixty-one".