734321 has 8 divisors (see below), whose sum is σ = 875904. Its totient is φ = 601920.

The previous prime is 734303. The next prime is 734329. The reversal of 734321 is 123437.

734321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-734321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 734293 and 734302.

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, 2120 + ... + 2441.

It is an arithmetic number, because the mean of its divisors is an integer number (109488).

2⁷³⁴³²¹ is an apocalyptic number.

It is an amenable number.

734321 is a deficient number, since it is larger than the sum of its proper divisors (141583).

734321 is a wasteful number, since it uses less digits than its factorization.

734321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591.

The product of its digits is 504, while the sum is 20.

The square root of 734321 is about 856.9253176328. The cubic root of 734321 is about 90.2184405835.

Adding to 734321 its reverse (123437), we get a palindrome (857758).

The spelling of 734321 in words is "seven hundred thirty-four thousand, three hundred twenty-one".