4782723 has 8 divisors (see below), whose sum is σ = 6956736. Its totient is φ = 2898600.

The previous prime is 4782719. The next prime is 4782749. The reversal of 4782723 is 3272874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4782723 - 2² = 4782719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 144931 = 4782723 / (4 + 7 + 8 + 2 + 7 + 2 + 3).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4782023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72433 + ... + 72498.

It is an arithmetic number, because the mean of its divisors is an integer number (869592).

Almost surely, 2^4782723 is an apocalyptic number.

4782723 is a deficient number, since it is larger than the sum of its proper divisors (2174013).

4782723 is a wasteful number, since it uses less digits than its factorization.

4782723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144945.

The product of its digits is 18816, while the sum is 33.

The square root of 4782723 is about 2186.9437578502. The cubic root of 4782723 is about 168.4839010527.

The spelling of 4782723 in words is "four million, seven hundred eighty-two thousand, seven hundred twenty-three".