720741144 has 16 divisors (see below), whose sum is σ = 1801852920. Its totient is φ = 240247040.

The previous prime is 720741127. The next prime is 720741149. The reversal of 720741144 is 441147027.

720741144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720741149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15015417 + ... + 15015464.

Almost surely, 2^720741144 is an apocalyptic number.

It is an amenable number.

720741144 is an abundant number, since it is smaller than the sum of its proper divisors (1081111776).

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

720741144 is a wasteful number, since it uses less digits than its factorization.

720741144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30030890 (or 30030886 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 720741144 is about 26846.6225808760. The cubic root of 720741144 is about 896.5883777611.

The spelling of 720741144 in words is "seven hundred twenty million, seven hundred forty-one thousand, one hundred forty-four".