473563721 has 16 divisors (see below), whose sum is σ = 502225920. Its totient is φ = 445624080.

The previous prime is 473563693. The next prime is 473563723. The reversal of 473563721 is 127365374.

It is a de Polignac number, because none of the positive numbers 2^k-473563721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (473563723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684986 + ... + 685676.

It is an arithmetic number, because the mean of its divisors is an integer number (31389120).

Almost surely, 2^473563721 is an apocalyptic number.

It is an amenable number.

473563721 is a deficient number, since it is larger than the sum of its proper divisors (28662199).

473563721 is a wasteful number, since it uses less digits than its factorization.

473563721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its digits is 105840, while the sum is 38.

The square root of 473563721 is about 21761.5192714112. The cubic root of 473563721 is about 779.4581602881.

The spelling of 473563721 in words is "four hundred seventy-three million, five hundred sixty-three thousand, seven hundred twenty-one".