720575323 has 8 divisors (see below), whose sum is σ = 816846800. Its totient is φ = 630138528.

The previous prime is 720575231. The next prime is 720575327. The reversal of 720575323 is 323575027.

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 720575323 - 2²⁵ = 687020891 is a prime.

It is a super-2 number, since 2×720575323² = 1038457592233108658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720575327) 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, 1458408 + ... + 1458901.

It is an arithmetic number, because the mean of its divisors is an integer number (102105850).

Almost surely, 2^720575323 is an apocalyptic number.

720575323 is a deficient number, since it is larger than the sum of its proper divisors (96271477).

720575323 is a wasteful number, since it uses less digits than its factorization.

720575323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917341.

The product of its (nonzero) digits is 44100, while the sum is 34.

The square root of 720575323 is about 26843.5341004123. The cubic root of 720575323 is about 896.5196130893.

It can be divided in two parts, 7205 and 75323, that added together give a palindrome (82528).

The spelling of 720575323 in words is "seven hundred twenty million, five hundred seventy-five thousand, three hundred twenty-three".