726496461 has 6 divisors (see below), whose sum is σ = 1049383790. Its totient is φ = 484330968.

The previous prime is 726496451. The next prime is 726496471. The reversal of 726496461 is 164694627.

It is an interprime number because it is at equal distance from previous prime (726496451) and next prime (726496471).

It can be written as a sum of positive squares in only one way, i.e., 713210436 + 13286025 = 26706^2 + 3645^2 .

It is not a de Polignac number, because 726496461 - 2⁹ = 726495949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726496451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40360906 + ... + 40360923.

Almost surely, 2^726496461 is an apocalyptic number.

It is an amenable number.

726496461 is a deficient number, since it is larger than the sum of its proper divisors (322887329).

726496461 is a wasteful number, since it uses less digits than its factorization.

726496461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80721835 (or 80721832 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 726496461 is about 26953.5982941054. The cubic root of 726496461 is about 898.9685554020.

The spelling of 726496461 in words is "seven hundred twenty-six million, four hundred ninety-six thousand, four hundred sixty-one".