726324331 has 2 divisors, whose sum is σ = 726324332. Its totient is φ = 726324330.

The previous prime is 726324293. The next prime is 726324353. The reversal of 726324331 is 133423627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 726324331 - 2¹⁵ = 726291563 is a prime.

It is a super-2 number, since 2×726324331² = 1055094067605195122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 726324293 and 726324302.

It is not a weakly prime, because it can be changed into another prime (726324631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363162165 + 363162166.

It is an arithmetic number, because the mean of its divisors is an integer number (363162166).

Almost surely, 2^726324331 is an apocalyptic number.

726324331 is a deficient number, since it is larger than the sum of its proper divisors (1).

726324331 is an equidigital number, since it uses as much as digits as its factorization.

726324331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 31.

The square root of 726324331 is about 26950.4050247858. The cubic root of 726324331 is about 898.8975517618.

Adding to 726324331 its reverse (133423627), we get a palindrome (859747958).

The spelling of 726324331 in words is "seven hundred twenty-six million, three hundred twenty-four thousand, three hundred thirty-one".