4745309 has 4 divisors (see below), whose sum is σ = 4763616. Its totient is φ = 4727004.

The previous prime is 4745303. The next prime is 4745317. The reversal of 4745309 is 9035474.

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 a cyclic number.

It is not a de Polignac number, because 4745309 - 2²⁰ = 3696733 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 (4745303) 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, 8759 + ... + 9284.

It is an arithmetic number, because the mean of its divisors is an integer number (1190904).

Almost surely, 2^4745309 is an apocalyptic number.

It is an amenable number.

4745309 is a deficient number, since it is larger than the sum of its proper divisors (18307).

4745309 is a wasteful number, since it uses less digits than its factorization.

4745309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18306.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 4745309 is about 2178.3730167260. The cubic root of 4745309 is about 168.0434151779.

The spelling of 4745309 in words is "four million, seven hundred forty-five thousand, three hundred nine".