201067730 has 16 divisors (see below), whose sum is σ = 374402520. Its totient is φ = 77653632.

The previous prime is 201067729. The next prime is 201067751. The reversal of 201067730 is 37760102.

It can be written as a sum of positive squares in 4 ways, for example, as 156325009 + 44742721 = 12503^2 + 6689^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201067730.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346379 + ... + 346958.

Almost surely, 2^201067730 is an apocalyptic number.

201067730 is a deficient number, since it is larger than the sum of its proper divisors (173334790).

201067730 is a wasteful number, since it uses less digits than its factorization.

201067730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693373.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 201067730 is about 14179.8353304966. The cubic root of 201067730 is about 585.8423883142.

Subtracting from 201067730 its reverse (37760102), we obtain a triangular number (163307628 = T₁₈₀₇₂).

The spelling of 201067730 in words is "two hundred one million, sixty-seven thousand, seven hundred thirty".