726368473 has 2 divisors, whose sum is σ = 726368474. Its totient is φ = 726368472.

The previous prime is 726368449. The next prime is 726368477. The reversal of 726368473 is 374863627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 692110864 + 34257609 = 26308^2 + 5853^2 .

It is a cyclic number.

It is not a de Polignac number, because 726368473 - 2¹³ = 726360281 is a prime.

It is a super-2 number, since 2×726368473² = 1055222317136703458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (726368477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363184236 + 363184237.

It is an arithmetic number, because the mean of its divisors is an integer number (363184237).

Almost surely, 2^726368473 is an apocalyptic number.

It is an amenable number.

726368473 is a deficient number, since it is larger than the sum of its proper divisors (1).

726368473 is an equidigital number, since it uses as much as digits as its factorization.

726368473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 46.

The square root of 726368473 is about 26951.2239610746. The cubic root of 726368473 is about 898.9157614101.

The spelling of 726368473 in words is "seven hundred twenty-six million, three hundred sixty-eight thousand, four hundred seventy-three".