742572143 has 2 divisors, whose sum is σ = 742572144. Its totient is φ = 742572142.

The previous prime is 742572139. The next prime is 742572157. The reversal of 742572143 is 341275247.

It is a weak prime.

It is an emirp because it is prime and its reverse (341275247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742572143 - 2² = 742572139 is a prime.

It is a super-2 number, since 2×742572143² = 1102826775119224898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742502143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371286071 + 371286072.

It is an arithmetic number, because the mean of its divisors is an integer number (371286072).

Almost surely, 2^742572143 is an apocalyptic number.

742572143 is a deficient number, since it is larger than the sum of its proper divisors (1).

742572143 is an equidigital number, since it uses as much as digits as its factorization.

742572143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 35.

The square root of 742572143 is about 27250.1769352054. The cubic root of 742572143 is about 905.5509370875.

The spelling of 742572143 in words is "seven hundred forty-two million, five hundred seventy-two thousand, one hundred forty-three".