404747473 has 8 divisors (see below), whose sum is σ = 436054248. Its totient is φ = 373465344.

The previous prime is 404747471. The next prime is 404747489. The reversal of 404747473 is 374747404.

It can be written as a sum of positive squares in 4 ways, for example, as 14961424 + 389786049 = 3868^2 + 19743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404747473 - 2¹ = 404747471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404747471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41865 + ... + 50617.

It is an arithmetic number, because the mean of its divisors is an integer number (54506781).

Almost surely, 2^404747473 is an apocalyptic number.

It is an amenable number.

404747473 is a deficient number, since it is larger than the sum of its proper divisors (31306775).

404747473 is a wasteful number, since it uses less digits than its factorization.

404747473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12323.

The product of its (nonzero) digits is 263424, while the sum is 40.

The square root of 404747473 is about 20118.3367354262. The cubic root of 404747473 is about 739.7098162197.

The spelling of 404747473 in words is "four hundred four million, seven hundred forty-seven thousand, four hundred seventy-three".