742487423 has 2 divisors, whose sum is σ = 742487424. Its totient is φ = 742487422.

The previous prime is 742487411. The next prime is 742487437. The reversal of 742487423 is 324784247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 742487423 - 2¹⁰ = 742486399 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742487323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371243711 + 371243712.

It is an arithmetic number, because the mean of its divisors is an integer number (371243712).

Almost surely, 2^742487423 is an apocalyptic number.

742487423 is a deficient number, since it is larger than the sum of its proper divisors (1).

742487423 is an equidigital number, since it uses as much as digits as its factorization.

742487423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 41.

The square root of 742487423 is about 27248.6224055456. The cubic root of 742487423 is about 905.5164976983.

The spelling of 742487423 in words is "seven hundred forty-two million, four hundred eighty-seven thousand, four hundred twenty-three".