720855383 has 8 divisors (see below), whose sum is σ = 759929520. Its totient is φ = 681894720.

The previous prime is 720855353. The next prime is 720855391. The reversal of 720855383 is 383558027.

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 720855383 - 2⁶ = 720855319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 720855383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720855313) 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, 15158 + ... + 40883.

It is an arithmetic number, because the mean of its divisors is an integer number (94991190).

Almost surely, 2^720855383 is an apocalyptic number.

720855383 is a deficient number, since it is larger than the sum of its proper divisors (39074137).

720855383 is a wasteful number, since it uses less digits than its factorization.

720855383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56737.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 720855383 is about 26848.7501198845. The cubic root of 720855383 is about 896.6357456450.

The spelling of 720855383 in words is "seven hundred twenty million, eight hundred fifty-five thousand, three hundred eighty-three".