726270469 has 2 divisors, whose sum is σ = 726270470. Its totient is φ = 726270468.

The previous prime is 726270443. The next prime is 726270491. The reversal of 726270469 is 964072627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 652138369 + 74132100 = 25537^2 + 8610^2 .

It is a cyclic number.

It is not a de Polignac number, because 726270469 - 2⁵ = 726270437 is a prime.

It is a super-2 number, since 2×726270469² = 1054937588282959922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726270409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363135234 + 363135235.

It is an arithmetic number, because the mean of its divisors is an integer number (363135235).

Almost surely, 2^726270469 is an apocalyptic number.

It is an amenable number.

726270469 is a deficient number, since it is larger than the sum of its proper divisors (1).

726270469 is an equidigital number, since it uses as much as digits as its factorization.

726270469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 726270469 is about 26949.4057262864. The cubic root of 726270469 is about 898.8753313777.

The spelling of 726270469 in words is "seven hundred twenty-six million, two hundred seventy thousand, four hundred sixty-nine".