732704321 has 2 divisors, whose sum is σ = 732704322. Its totient is φ = 732704320.

The previous prime is 732704311. The next prime is 732704333. The reversal of 732704321 is 123407237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 732514225 + 190096 = 27065^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 732704321 - 2⁶ = 732704257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (732704311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366352160 + 366352161.

It is an arithmetic number, because the mean of its divisors is an integer number (366352161).

Almost surely, 2^732704321 is an apocalyptic number.

It is an amenable number.

732704321 is a deficient number, since it is larger than the sum of its proper divisors (1).

732704321 is an equidigital number, since it uses as much as digits as its factorization.

732704321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 732704321 is about 27068.5116140507. The cubic root of 732704321 is about 901.5218371633.

The spelling of 732704321 in words is "seven hundred thirty-two million, seven hundred four thousand, three hundred twenty-one".