734665243 has 4 divisors (see below), whose sum is σ = 791177968. Its totient is φ = 678152520.

The previous prime is 734665223. The next prime is 734665247. The reversal of 734665243 is 342566437.

734665243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342566437 = 421 ⋅813697.

It is a cyclic number.

It is not a de Polignac number, because 734665243 - 2⁹ = 734664731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 734665196 and 734665205.

It is not an unprimeable number, because it can be changed into a prime (734665247) 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, 28256343 + ... + 28256368.

It is an arithmetic number, because the mean of its divisors is an integer number (197794492).

Almost surely, 2^734665243 is an apocalyptic number.

734665243 is a deficient number, since it is larger than the sum of its proper divisors (56512725).

734665243 is a wasteful number, since it uses less digits than its factorization.

734665243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56512724.

The product of its digits is 362880, while the sum is 40.

The square root of 734665243 is about 27104.7088713382. The cubic root of 734665243 is about 902.3253624230.

The spelling of 734665243 in words is "seven hundred thirty-four million, six hundred sixty-five thousand, two hundred forty-three".