726801941 has 2 divisors, whose sum is σ = 726801942. Its totient is φ = 726801940.

The previous prime is 726801899. The next prime is 726801947. The reversal of 726801941 is 149108627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513203716 + 213598225 = 22654^2 + 14615^2 .

It is an emirp because it is prime and its reverse (149108627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 726801941 - 2⁶ = 726801877 is a prime.

It is a super-2 number, since 2×726801941² = 1056482122882734962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 726801895 and 726801904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726801947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363400970 + 363400971.

It is an arithmetic number, because the mean of its divisors is an integer number (363400971).

Almost surely, 2^726801941 is an apocalyptic number.

It is an amenable number.

726801941 is a deficient number, since it is larger than the sum of its proper divisors (1).

726801941 is an equidigital number, since it uses as much as digits as its factorization.

726801941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 726801941 is about 26959.2644743880. The cubic root of 726801941 is about 899.0945383202.

The spelling of 726801941 in words is "seven hundred twenty-six million, eight hundred one thousand, nine hundred forty-one".