734440320 has 96 divisors (see below), whose sum is σ = 2536134120. Its totient is φ = 195849216.

The previous prime is 734440309. The next prime is 734440321. The reversal of 734440320 is 23044437.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734440321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57994 + ... + 69513.

Almost surely, 2^734440320 is an apocalyptic number.

It is an amenable number.

734440320 is an abundant number, since it is smaller than the sum of its proper divisors (1801693800).

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

734440320 is a wasteful number, since it uses less digits than its factorization.

734440320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127532 (or 127517 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 734440320 is about 27100.5594038204. The cubic root of 734440320 is about 902.2332685772.

Adding to 734440320 its reverse (23044437), we get a palindrome (757484757).

The spelling of 734440320 in words is "seven hundred thirty-four million, four hundred forty thousand, three hundred twenty".