473520621 has 16 divisors (see below), whose sum is σ = 722100224. Its totient is φ = 270378864.

The previous prime is 473520617. The next prime is 473520631. The reversal of 473520621 is 126025374.

It is not a de Polignac number, because 473520621 - 2² = 473520617 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 (473520631) 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 15 ways as a sum of consecutive naturals, for example, 22596 + ... + 38178.

It is an arithmetic number, because the mean of its divisors is an integer number (45131264).

Almost surely, 2^473520621 is an apocalyptic number.

It is an amenable number.

473520621 is a deficient number, since it is larger than the sum of its proper divisors (248579603).

473520621 is a wasteful number, since it uses less digits than its factorization.

473520621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17040.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 473520621 is about 21760.5289687544. The cubic root of 473520621 is about 779.4345128784.

Adding to 473520621 its reverse (126025374), we get a palindrome (599545995).

The spelling of 473520621 in words is "four hundred seventy-three million, five hundred twenty thousand, six hundred twenty-one".