742035641 has 2 divisors, whose sum is σ = 742035642. Its totient is φ = 742035640.

The previous prime is 742035617. The next prime is 742035643. The reversal of 742035641 is 146530247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 735765625 + 6270016 = 27125^2 + 2504^2 .

It is an emirp because it is prime and its reverse (146530247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742035641 - 2¹⁸ = 741773497 is a prime.

It is a Sophie Germain prime.

Together with 742035643, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 742035598 and 742035607.

It is not a weakly prime, because it can be changed into another prime (742035643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371017820 + 371017821.

It is an arithmetic number, because the mean of its divisors is an integer number (371017821).

Almost surely, 2^742035641 is an apocalyptic number.

It is an amenable number.

742035641 is a deficient number, since it is larger than the sum of its proper divisors (1).

742035641 is an equidigital number, since it uses as much as digits as its factorization.

742035641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 742035641 is about 27240.3311470327. The cubic root of 742035641 is about 905.3328002851.

Adding to 742035641 its reverse (146530247), we get a palindrome (888565888).

The spelling of 742035641 in words is "seven hundred forty-two million, thirty-five thousand, six hundred forty-one".