4740809 has 4 divisors (see below), whose sum is σ = 4747716. Its totient is φ = 4733904.

The previous prime is 4740803. The next prime is 4740817. The reversal of 4740809 is 9080474.

It is a happy number.

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 2550409 + 2190400 = 1597^2 + 1480^2 .

It is a cyclic number.

It is not a de Polignac number, because 4740809 - 2¹² = 4736713 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 (4740803) 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, 2294 + ... + 3839.

It is an arithmetic number, because the mean of its divisors is an integer number (1186929).

Almost surely, 2^4740809 is an apocalyptic number.

It is an amenable number.

4740809 is a deficient number, since it is larger than the sum of its proper divisors (6907).

4740809 is an equidigital number, since it uses as much as digits as its factorization.

4740809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6906.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4740809 is about 2177.3398907842. The cubic root of 4740809 is about 167.9902795774.

The spelling of 4740809 in words is "four million, seven hundred forty thousand, eight hundred nine".