734320 has 40 divisors (see below), whose sum is σ = 1745424. Its totient is φ = 287232.

The previous prime is 734303. The next prime is 734329. The reversal of 734320 is 23437.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5292 + ... + 5428.

2⁷³⁴³²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 734320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872712).

734320 is an abundant number, since it is smaller than the sum of its proper divisors (1011104).

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

734320 is a wasteful number, since it uses less digits than its factorization.

734320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 734320 is about 856.9247341511. The cubic root of 734320 is about 90.2183996303.

Adding to 734320 its reverse (23437), we get a palindrome (757757).

The spelling of 734320 in words is "seven hundred thirty-four thousand, three hundred twenty".