740143 has 2 divisors, whose sum is σ = 740144. Its totient is φ = 740142.

The previous prime is 740141. The next prime is 740153. The reversal of 740143 is 341047.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 740143 - 2¹ = 740141 is a prime.

Together with 740141, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 740143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370071 + 370072.

It is an arithmetic number, because the mean of its divisors is an integer number (370072).

2⁷⁴⁰¹⁴³ is an apocalyptic number.

740143 is a deficient number, since it is larger than the sum of its proper divisors (1).

740143 is an equidigital number, since it uses as much as digits as its factorization.

740143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 740143 is about 860.3156397509. The cubic root of 740143 is about 90.4562429005.

The spelling of 740143 in words is "seven hundred forty thousand, one hundred forty-three", and thus it is an iban number.