442725733 has 2 divisors, whose sum is σ = 442725734. Its totient is φ = 442725732.

The previous prime is 442725709. The next prime is 442725763. The reversal of 442725733 is 337527244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370254564 + 72471169 = 19242^2 + 8513^2 .

It is a cyclic number.

It is not a de Polignac number, because 442725733 - 2⁹ = 442725221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442725692 and 442725701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442725763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221362866 + 221362867.

It is an arithmetic number, because the mean of its divisors is an integer number (221362867).

Almost surely, 2^442725733 is an apocalyptic number.

It is an amenable number.

442725733 is a deficient number, since it is larger than the sum of its proper divisors (1).

442725733 is an equidigital number, since it uses as much as digits as its factorization.

442725733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 37.

The square root of 442725733 is about 21041.0487618845. The cubic root of 442725733 is about 762.1578408590.

It can be divided in two parts, 44272 and 5733, that added together give a palindrome (50005).

The spelling of 442725733 in words is "four hundred forty-two million, seven hundred twenty-five thousand, seven hundred thirty-three".