734739143 has 4 divisors (see below), whose sum is σ = 735398040. Its totient is φ = 734080248.

The previous prime is 734739121. The next prime is 734739149. The reversal of 734739143 is 341937437.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 734739143 - 2⁶ = 734739079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 734739143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734739149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327773 + ... + 330006.

It is an arithmetic number, because the mean of its divisors is an integer number (183849510).

Almost surely, 2^734739143 is an apocalyptic number.

734739143 is a deficient number, since it is larger than the sum of its proper divisors (658897).

734739143 is a wasteful number, since it uses less digits than its factorization.

734739143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658896.

The product of its digits is 190512, while the sum is 41.

The square root of 734739143 is about 27106.0720688188. The cubic root of 734739143 is about 902.3556163875.

The spelling of 734739143 in words is "seven hundred thirty-four million, seven hundred thirty-nine thousand, one hundred forty-three".