1730400404 has 6 divisors (see below), whose sum is σ = 3028200714. Its totient is φ = 865200200.

The previous prime is 1730400383. The next prime is 1730400407. The reversal of 1730400404 is 4040040371.

It can be written as a sum of positive squares in only one way, i.e., 1641060100 + 89340304 = 40510^2 + 9452^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1730400404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1730400407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216300047 + ... + 216300054.

It is an arithmetic number, because the mean of its divisors is an integer number (504700119).

Almost surely, 2^1730400404 is an apocalyptic number.

It is an amenable number.

1730400404 is a deficient number, since it is larger than the sum of its proper divisors (1297800310).

1730400404 is a wasteful number, since it uses less digits than its factorization.

1730400404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432600105 (or 432600103 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 1730400404 is about 41598.0817346185. The cubic root of 1730400404 is about 1200.5553919842. Note that the first 3 decimals are identical.

Adding to 1730400404 its reverse (4040040371), we get a palindrome (5770440775).

The spelling of 1730400404 in words is "one billion, seven hundred thirty million, four hundred thousand, four hundred four".