200473730 has 8 divisors (see below), whose sum is σ = 360852732. Its totient is φ = 80189488.

The previous prime is 200473729. The next prime is 200473751. The reversal of 200473730 is 37374002.

It can be written as a sum of positive squares in 2 ways, for example, as 182061049 + 18412681 = 13493^2 + 4291^2 .

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

It is a super-2 number, since 2×200473730² = 80379432840225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200473730.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10023677 + ... + 10023696.

Almost surely, 2^200473730 is an apocalyptic number.

200473730 is a deficient number, since it is larger than the sum of its proper divisors (160379002).

200473730 is a wasteful number, since it uses less digits than its factorization.

200473730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20047380.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 200473730 is about 14158.8746021709. The cubic root of 200473730 is about 585.2649152024.

The spelling of 200473730 in words is "two hundred million, four hundred seventy-three thousand, seven hundred thirty".