729734347 has 2 divisors, whose sum is σ = 729734348. Its totient is φ = 729734346.

The previous prime is 729734303. The next prime is 729734371. The reversal of 729734347 is 743437927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 729734347 - 2⁷ = 729734219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 729734297 and 729734306.

It is not a weakly prime, because it can be changed into another prime (729734647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364867173 + 364867174.

It is an arithmetic number, because the mean of its divisors is an integer number (364867174).

Almost surely, 2^729734347 is an apocalyptic number.

729734347 is a deficient number, since it is larger than the sum of its proper divisors (1).

729734347 is an equidigital number, since it uses as much as digits as its factorization.

729734347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 46.

The square root of 729734347 is about 27013.5955955515. The cubic root of 729734347 is about 900.3020989960.

The spelling of 729734347 in words is "seven hundred twenty-nine million, seven hundred thirty-four thousand, three hundred forty-seven".