720625303 has 4 divisors (see below), whose sum is σ = 725397808. Its totient is φ = 715852800.

The previous prime is 720625277. The next prime is 720625309. The reversal of 720625303 is 303526027.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-720625303 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 (720625309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386026 + ... + 2386327.

It is an arithmetic number, because the mean of its divisors is an integer number (181349452).

Almost surely, 2^720625303 is an apocalyptic number.

720625303 is a deficient number, since it is larger than the sum of its proper divisors (4772505).

720625303 is a wasteful number, since it uses less digits than its factorization.

720625303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772504.

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

The square root of 720625303 is about 26844.4650347143. The cubic root of 720625303 is about 896.5403405150.

The spelling of 720625303 in words is "seven hundred twenty million, six hundred twenty-five thousand, three hundred three".