734819945 has 8 divisors (see below), whose sum is σ = 890515080. Its totient is φ = 582035200.

The previous prime is 734819941. The next prime is 734819947. The reversal of 734819945 is 549918437.

It can be written as a sum of positive squares in 4 ways, for example, as 417303184 + 317516761 = 20428^2 + 17819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 734819945 - 2² = 734819941 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 734819893 and 734819902.

It is not an unprimeable number, because it can be changed into a prime (734819941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727040 + ... + 728049.

It is an arithmetic number, because the mean of its divisors is an integer number (111314385).

Almost surely, 2^734819945 is an apocalyptic number.

It is an amenable number.

734819945 is a deficient number, since it is larger than the sum of its proper divisors (155695135).

734819945 is a wasteful number, since it uses less digits than its factorization.

734819945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455195.

The product of its digits is 1088640, while the sum is 50.

The square root of 734819945 is about 27107.5625056920. The cubic root of 734819945 is about 902.3886936443.

The spelling of 734819945 in words is "seven hundred thirty-four million, eight hundred nineteen thousand, nine hundred forty-five".