734072805 has 24 divisors (see below), whose sum is σ = 1273262328. Its totient is φ = 391238016.

The previous prime is 734072803. The next prime is 734072821. The reversal of 734072805 is 508270437.

It can be written as a sum of positive squares in 4 ways, for example, as 280127169 + 453945636 = 16737^2 + 21306^2 .

It is not a de Polignac number, because 734072805 - 2¹ = 734072803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 734072805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734072803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73279 + ... + 82691.

It is an arithmetic number, because the mean of its divisors is an integer number (53052597).

Almost surely, 2^734072805 is an apocalyptic number.

It is an amenable number.

734072805 is a deficient number, since it is larger than the sum of its proper divisors (539189523).

734072805 is a wasteful number, since it uses less digits than its factorization.

734072805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11157 (or 11154 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 734072805 is about 27093.7779757641. Note that the first 3 decimals coincide. The cubic root of 734072805 is about 902.0827505231.

The spelling of 734072805 in words is "seven hundred thirty-four million, seventy-two thousand, eight hundred five".