726266448 has 30 divisors (see below), whose sum is σ = 2032537754. Its totient is φ = 242088768.

The previous prime is 726266441. The next prime is 726266449. The reversal of 726266448 is 844662627.

It can be written as a sum of positive squares in only one way, i.e., 715455504 + 10810944 = 26748^2 + 3288^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726266441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2521615 + ... + 2521902.

Almost surely, 2^726266448 is an apocalyptic number.

It is an amenable number.

726266448 is an abundant number, since it is smaller than the sum of its proper divisors (1306271306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726266448 is a wasteful number, since it uses less digits than its factorization.

726266448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043531 (or 5043522 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 726266448 is about 26949.3311234249. The cubic root of 726266448 is about 898.8736724988.

The spelling of 726266448 in words is "seven hundred twenty-six million, two hundred sixty-six thousand, four hundred forty-eight".