720741133 has 8 divisors (see below), whose sum is σ = 859517568. Its totient is φ = 590918064.

The previous prime is 720741127. The next prime is 720741149. The reversal of 720741133 is 331147027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 720741133 - 2⁵ = 720741101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720741113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2238166 + ... + 2238487.

It is an arithmetic number, because the mean of its divisors is an integer number (107439696).

Almost surely, 2^720741133 is an apocalyptic number.

It is an amenable number.

720741133 is a deficient number, since it is larger than the sum of its proper divisors (138776435).

720741133 is a wasteful number, since it uses less digits than its factorization.

720741133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476683.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 720741133 is about 26846.6223760085. The cubic root of 720741133 is about 896.5883731998.

The spelling of 720741133 in words is "seven hundred twenty million, seven hundred forty-one thousand, one hundred thirty-three".