726730847 has 2 divisors, whose sum is σ = 726730848. Its totient is φ = 726730846.

The previous prime is 726730769. The next prime is 726730877. The reversal of 726730847 is 748037627.

It is a strong prime.

It is an emirp because it is prime and its reverse (748037627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 726730847 - 2¹² = 726726751 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 726730798 and 726730807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726730877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363365423 + 363365424.

It is an arithmetic number, because the mean of its divisors is an integer number (363365424).

Almost surely, 2^726730847 is an apocalyptic number.

726730847 is a deficient number, since it is larger than the sum of its proper divisors (1).

726730847 is an equidigital number, since it uses as much as digits as its factorization.

726730847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 44.

The square root of 726730847 is about 26957.9458972675. The cubic root of 726730847 is about 899.0652216165.

The spelling of 726730847 in words is "seven hundred twenty-six million, seven hundred thirty thousand, eight hundred forty-seven".