720230365 has 4 divisors (see below), whose sum is σ = 864276444. Its totient is φ = 576184288.

The previous prime is 720230339. The next prime is 720230377. The reversal of 720230365 is 563032027.

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

It can be written as a sum of positive squares in 2 ways, for example, as 368217721 + 352012644 = 19189^2 + 18762^2 .

It is a cyclic number.

It is not a de Polignac number, because 720230365 - 2¹⁷ = 720099293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72023032 + ... + 72023041.

It is an arithmetic number, because the mean of its divisors is an integer number (216069111).

Almost surely, 2^720230365 is an apocalyptic number.

It is an amenable number.

720230365 is a deficient number, since it is larger than the sum of its proper divisors (144046079).

720230365 is a wasteful number, since it uses less digits than its factorization.

720230365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144046078.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 720230365 is about 26837.1079850270. The cubic root of 720230365 is about 896.3765278968.

The spelling of 720230365 in words is "seven hundred twenty million, two hundred thirty thousand, three hundred sixty-five".