4720647 has 4 divisors (see below), whose sum is σ = 6294200. Its totient is φ = 3147096.

The previous prime is 4720637. The next prime is 4720663. The reversal of 4720647 is 7460274.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4720647 - 2¹⁴ = 4704263 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4720627) 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, 786772 + ... + 786777.

It is an arithmetic number, because the mean of its divisors is an integer number (1573550).

Almost surely, 2^4720647 is an apocalyptic number.

4720647 is a deficient number, since it is larger than the sum of its proper divisors (1573553).

4720647 is a wasteful number, since it uses less digits than its factorization.

4720647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573552.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 4720647 is about 2172.7049960821. The cubic root of 4720647 is about 167.7517947603.

The spelling of 4720647 in words is "four million, seven hundred twenty thousand, six hundred forty-seven".