721452303 has 48 divisors (see below), whose sum is σ = 1250436096. Its totient is φ = 394989120.

The previous prime is 721452301. The next prime is 721452313. The reversal of 721452303 is 303254127.

It is not a de Polignac number, because 721452303 - 2¹ = 721452301 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (721452301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54526 + ... + 66452.

It is an arithmetic number, because the mean of its divisors is an integer number (26050752).

Almost surely, 2^721452303 is an apocalyptic number.

721452303 is a deficient number, since it is larger than the sum of its proper divisors (528983793).

721452303 is a wasteful number, since it uses less digits than its factorization.

721452303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12004 (or 12001 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 721452303 is about 26859.8641657027. The cubic root of 721452303 is about 896.8831702817.

The spelling of 721452303 in words is "seven hundred twenty-one million, four hundred fifty-two thousand, three hundred three".