16825730 has 8 divisors (see below), whose sum is σ = 30286332. Its totient is φ = 6730288.

The previous prime is 16825693. The next prime is 16825759. The reversal of 16825730 is 3752861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16638241 + 187489 = 4079^2 + 433^2 .

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

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, 841277 + ... + 841296.

Almost surely, 2^16825730 is an apocalyptic number.

16825730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16825730 is a deficient number, since it is larger than the sum of its proper divisors (13460602).

16825730 is a wasteful number, since it uses less digits than its factorization.

16825730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682580.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 16825730 is about 4101.9178441310. The cubic root of 16825730 is about 256.2465175018.

The spelling of 16825730 in words is "sixteen million, eight hundred twenty-five thousand, seven hundred thirty".