720303377 has 4 divisors (see below), whose sum is σ = 720371940. Its totient is φ = 720234816.

The previous prime is 720303301. The next prime is 720303391. The reversal of 720303377 is 773303027.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 113124496 + 607178881 = 10636^2 + 24641^2 .

It is a cyclic number.

It is not a de Polignac number, because 720303377 - 2²⁰ = 719254801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720300377) 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, 14852 + ... + 40757.

It is an arithmetic number, because the mean of its divisors is an integer number (180092985).

Almost surely, 2^720303377 is an apocalyptic number.

It is an amenable number.

720303377 is a deficient number, since it is larger than the sum of its proper divisors (68563).

720303377 is a wasteful number, since it uses less digits than its factorization.

720303377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68562.

The product of its (nonzero) digits is 18522, while the sum is 32.

The square root of 720303377 is about 26838.4682312534. The cubic root of 720303377 is about 896.4068163688.

The spelling of 720303377 in words is "seven hundred twenty million, three hundred three thousand, three hundred seventy-seven".