4742321 has 2 divisors, whose sum is σ = 4742322. Its totient is φ = 4742320.

The previous prime is 4742317. The next prime is 4742329. The reversal of 4742321 is 1232474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2890000 + 1852321 = 1700^2 + 1361^2 .

It is a cyclic number.

It is not a de Polignac number, because 4742321 - 2² = 4742317 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4742329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2371160 + 2371161.

It is an arithmetic number, because the mean of its divisors is an integer number (2371161).

Almost surely, 2^4742321 is an apocalyptic number.

It is an amenable number.

4742321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4742321 is an equidigital number, since it uses as much as digits as its factorization.

4742321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 23.

The square root of 4742321 is about 2177.6870757756. The cubic root of 4742321 is about 168.0081368886.

Adding to 4742321 its reverse (1232474), we get a palindrome (5974795).

The spelling of 4742321 in words is "four million, seven hundred forty-two thousand, three hundred twenty-one".