4756321 has 4 divisors (see below), whose sum is σ = 4774144. Its totient is φ = 4738500.

The previous prime is 4756307. The next prime is 4756333. The reversal of 4756321 is 1236574.

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: 1236574 = 2 ⋅618287.

It is a cyclic number.

It is not a de Polignac number, because 4756321 - 2¹¹ = 4754273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4756321.

It is not an unprimeable number, because it can be changed into a prime (4756021) 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, 8505 + ... + 9046.

It is an arithmetic number, because the mean of its divisors is an integer number (1193536).

Almost surely, 2^4756321 is an apocalyptic number.

It is an amenable number.

4756321 is a deficient number, since it is larger than the sum of its proper divisors (17823).

4756321 is a wasteful number, since it uses less digits than its factorization.

4756321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17822.

The product of its digits is 5040, while the sum is 28.

The square root of 4756321 is about 2180.8991265072. The cubic root of 4756321 is about 168.1733023645.

It can be divided in two parts, 475 and 6321, that multiplied together give a triangular number (3002475 = T₂₄₅₀).

The spelling of 4756321 in words is "four million, seven hundred fifty-six thousand, three hundred twenty-one".