4549723 has 4 divisors (see below), whose sum is σ = 4706640. Its totient is φ = 4392808.

The previous prime is 4549711. The next prime is 4549733. The reversal of 4549723 is 3279454.

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

It is a cyclic number.

It is not a de Polignac number, because 4549723 - 2⁵ = 4549691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4549733) 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, 78415 + ... + 78472.

It is an arithmetic number, because the mean of its divisors is an integer number (1176660).

Almost surely, 2^4549723 is an apocalyptic number.

4549723 is a deficient number, since it is larger than the sum of its proper divisors (156917).

4549723 is a wasteful number, since it uses less digits than its factorization.

4549723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156916.

The product of its digits is 30240, while the sum is 34.

The square root of 4549723 is about 2133.0079699804. The cubic root of 4549723 is about 165.7022168961.

Subtracting from 4549723 its sum of digits (34), we obtain a square (4549689 = 2133²).

The spelling of 4549723 in words is "four million, five hundred forty-nine thousand, seven hundred twenty-three".