473523917 has 4 divisors (see below), whose sum is σ = 480010620. Its totient is φ = 467037216.

The previous prime is 473523893. The next prime is 473523943. The reversal of 473523917 is 719325374.

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

It can be written as a sum of positive squares in 2 ways, for example, as 402644356 + 70879561 = 20066^2 + 8419^2 .

It is a cyclic number.

It is not a de Polignac number, because 473523917 - 2¹⁴ = 473507533 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 (473520917) 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, 3243242 + ... + 3243387.

It is an arithmetic number, because the mean of its divisors is an integer number (120002655).

Almost surely, 2^473523917 is an apocalyptic number.

It is an amenable number.

473523917 is a deficient number, since it is larger than the sum of its proper divisors (6486703).

473523917 is an equidigital number, since it uses as much as digits as its factorization.

473523917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6486702.

The product of its digits is 158760, while the sum is 41.

The square root of 473523917 is about 21760.6047020757. The cubic root of 473523917 is about 779.4363213250.

The spelling of 473523917 in words is "four hundred seventy-three million, five hundred twenty-three thousand, nine hundred seventeen".