734520320 has 44 divisors (see below), whose sum is σ = 1762000284. Its totient is φ = 293806080.

The previous prime is 734520317. The next prime is 734520349. The reversal of 734520320 is 23025437.

It can be written as a sum of positive squares in 2 ways, for example, as 444703744 + 289816576 = 21088^2 + 17024^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 734520320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66611 + ... + 76850.

It is an arithmetic number, because the mean of its divisors is an integer number (40045461).

Almost surely, 2^734520320 is an apocalyptic number.

It is an amenable number.

734520320 is an abundant number, since it is smaller than the sum of its proper divisors (1027479964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

734520320 is a wasteful number, since it uses less digits than its factorization.

734520320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143486 (or 143468 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 734520320 is about 27102.0353479217. The cubic root of 734520320 is about 902.2660264197.

Adding to 734520320 its reverse (23025437), we get a palindrome (757545757).

The spelling of 734520320 in words is "seven hundred thirty-four million, five hundred twenty thousand, three hundred twenty".