4947723 has 28 divisors (see below), whose sum is σ = 8105688. Its totient is φ = 2993760.

The previous prime is 4947659. The next prime is 4947727. The reversal of 4947723 is 3277494.

It is not a de Polignac number, because 4947723 - 2⁶ = 4947659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4947727) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7711 + ... + 8327.

Almost surely, 2^4947723 is an apocalyptic number.

4947723 is a deficient number, since it is larger than the sum of its proper divisors (3157965).

4947723 is an equidigital number, since it uses as much as digits as its factorization.

4947723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 631 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 4947723 is about 2224.3477695720. The cubic root of 4947723 is about 170.3995561385.

The spelling of 4947723 in words is "four million, nine hundred forty-seven thousand, seven hundred twenty-three".