734840345 has 4 divisors (see below), whose sum is σ = 881808420. Its totient is φ = 587872272.

The previous prime is 734840341. The next prime is 734840377. The reversal of 734840345 is 543048437.

734840345 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.

It can be written as a sum of positive squares in 2 ways, for example, as 524822281 + 210018064 = 22909^2 + 14492^2 .

It is a cyclic number.

It is not a de Polignac number, because 734840345 - 2² = 734840341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 734840299 and 734840308.

It is not an unprimeable number, because it can be changed into a prime (734840341) 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, 73484030 + ... + 73484039.

It is an arithmetic number, because the mean of its divisors is an integer number (220452105).

Almost surely, 2^734840345 is an apocalyptic number.

It is an amenable number.

734840345 is a deficient number, since it is larger than the sum of its proper divisors (146968075).

734840345 is a wasteful number, since it uses less digits than its factorization.

734840345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146968074.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 734840345 is about 27107.9387818403. The cubic root of 734840345 is about 902.3970442428.

The spelling of 734840345 in words is "seven hundred thirty-four million, eight hundred forty thousand, three hundred forty-five".