4720109 has 4 divisors (see below), whose sum is σ = 4751520. Its totient is φ = 4688700.

The previous prime is 4720099. The next prime is 4720141. The reversal of 4720109 is 9010274.

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 4720109 - 2¹² = 4716013 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 (4720159) 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, 15479 + ... + 15780.

It is an arithmetic number, because the mean of its divisors is an integer number (1187880).

Almost surely, 2^4720109 is an apocalyptic number.

It is an amenable number.

4720109 is a deficient number, since it is larger than the sum of its proper divisors (31411).

4720109 is a wasteful number, since it uses less digits than its factorization.

4720109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31410.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 4720109 is about 2172.5811837536. The cubic root of 4720109 is about 167.7454217713.

The spelling of 4720109 in words is "four million, seven hundred twenty thousand, one hundred nine".