726653272 has 8 divisors (see below), whose sum is σ = 1362474900. Its totient is φ = 363326632.

The previous prime is 726653251. The next prime is 726653273. The reversal of 726653272 is 272356627.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726653273) 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 as a sum of consecutive naturals, namely, 45415822 + ... + 45415837.

Almost surely, 2^726653272 is an apocalyptic number.

It is an amenable number.

726653272 is a deficient number, since it is larger than the sum of its proper divisors (635821628).

726653272 is a wasteful number, since it uses less digits than its factorization.

726653272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90831665 (or 90831661 counting only the distinct ones).

The product of its digits is 211680, while the sum is 40.

The square root of 726653272 is about 26956.5070437548. The cubic root of 726653272 is about 899.0332301914.

The spelling of 726653272 in words is "seven hundred twenty-six million, six hundred fifty-three thousand, two hundred seventy-two".