4772509 has 4 divisors (see below), whose sum is σ = 5454304. Its totient is φ = 4090716.

The previous prime is 4772507. The next prime is 4772513. The reversal of 4772509 is 9052774.

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 not a de Polignac number, because 4772509 - 2¹ = 4772507 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 (4772503) 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, 340887 + ... + 340900.

It is an arithmetic number, because the mean of its divisors is an integer number (1363576).

Almost surely, 2^4772509 is an apocalyptic number.

It is an amenable number.

4772509 is a deficient number, since it is larger than the sum of its proper divisors (681795).

4772509 is an equidigital number, since it uses as much as digits as its factorization.

4772509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681794.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 4772509 is about 2184.6072873631. The cubic root of 4772509 is about 168.3638773012.

The spelling of 4772509 in words is "four million, seven hundred seventy-two thousand, five hundred nine".