720217383 has 8 divisors (see below), whose sum is σ = 961411200. Its totient is φ = 479584248.

The previous prime is 720217373. The next prime is 720217441. The reversal of 720217383 is 383712027.

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

It is not a de Polignac number, because 720217383 - 2⁴ = 720217367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720217373) 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 7 ways as a sum of consecutive naturals, for example, 137163 + ... + 142316.

It is an arithmetic number, because the mean of its divisors is an integer number (120176400).

Almost surely, 2^720217383 is an apocalyptic number.

720217383 is a deficient number, since it is larger than the sum of its proper divisors (241193817).

720217383 is a wasteful number, since it uses less digits than its factorization.

720217383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280341.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 720217383 is about 26836.8661173394. The cubic root of 720217383 is about 896.3711421987.

It can be divided in two parts, 720217 and 383, that added together give a triangular number (720600 = T₁₂₀₀).

The spelling of 720217383 in words is "seven hundred twenty million, two hundred seventeen thousand, three hundred eighty-three".