720449158775 has 12 divisors (see below), whose sum is σ = 895222017600. Its totient is φ = 575156062080.

The previous prime is 720449158753. The next prime is 720449158783. The reversal of 720449158775 is 577851944027.

It is a happy number.

It is not a de Polignac number, because 720449158775 - 2⁶ = 720449158711 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30069410 + ... + 30093359.

It is an arithmetic number, because the mean of its divisors is an integer number (74601834800).

Almost surely, 2^720449158775 is an apocalyptic number.

720449158775 is a deficient number, since it is larger than the sum of its proper divisors (174772858825).

720449158775 is a wasteful number, since it uses less digits than its factorization.

720449158775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60163258 (or 60163253 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 59.

The spelling of 720449158775 in words is "seven hundred twenty billion, four hundred forty-nine million, one hundred fifty-eight thousand, seven hundred seventy-five".