726498371 has 2 divisors, whose sum is σ = 726498372. Its totient is φ = 726498370.

The previous prime is 726498319. The next prime is 726498379. The reversal of 726498371 is 173894627.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726498371 is a prime.

It is not a weakly prime, because it can be changed into another prime (726498379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363249185 + 363249186.

It is an arithmetic number, because the mean of its divisors is an integer number (363249186).

Almost surely, 2^726498371 is an apocalyptic number.

726498371 is a deficient number, since it is larger than the sum of its proper divisors (1).

726498371 is an equidigital number, since it uses as much as digits as its factorization.

726498371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 47.

The square root of 726498371 is about 26953.6337253440. The cubic root of 726498371 is about 898.9693432142.

The spelling of 726498371 in words is "seven hundred twenty-six million, four hundred ninety-eight thousand, three hundred seventy-one".