720974383 has 4 divisors (see below), whose sum is σ = 721080360. Its totient is φ = 720868408.

The previous prime is 720974377. The next prime is 720974393. The reversal of 720974383 is 383479027.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 720974383 - 2²⁵ = 687419951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720974333) 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 in 3 ways as a sum of consecutive naturals, for example, 42028 + ... + 56641.

It is an arithmetic number, because the mean of its divisors is an integer number (180270090).

Almost surely, 2^720974383 is an apocalyptic number.

720974383 is a deficient number, since it is larger than the sum of its proper divisors (105977).

720974383 is an equidigital number, since it uses as much as digits as its factorization.

720974383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105976.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 720974383 is about 26850.9661464909. The cubic root of 720974383 is about 896.6850823014.

The spelling of 720974383 in words is "seven hundred twenty million, nine hundred seventy-four thousand, three hundred eighty-three".