4727321 has 4 divisors (see below), whose sum is σ = 4764672. Its totient is φ = 4689972.

The previous prime is 4727311. The next prime is 4727329. The reversal of 4727321 is 1237274.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1237274 = 2 ⋅618637.

It is a cyclic number.

It is not a de Polignac number, because 4727321 - 2¹⁸ = 4465177 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (4727329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18485 + ... + 18738.

It is an arithmetic number, because the mean of its divisors is an integer number (1191168).

Almost surely, 2^4727321 is an apocalyptic number.

It is an amenable number.

4727321 is a deficient number, since it is larger than the sum of its proper divisors (37351).

4727321 is a wasteful number, since it uses less digits than its factorization.

4727321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37350.

The product of its digits is 2352, while the sum is 26.

The square root of 4727321 is about 2174.2403271028. The cubic root of 4727321 is about 167.8308127620.

The spelling of 4727321 in words is "four million, seven hundred twenty-seven thousand, three hundred twenty-one".