201170730 has 32 divisors (see below), whose sum is σ = 483931584. Its totient is φ = 53520896.

The previous prime is 201170729. The next prime is 201170731. The reversal of 201170730 is 37071102.

It is an interprime number because it is at equal distance from previous prime (201170729) and next prime (201170731).

It is a junction number, because it is equal to n+sod(n) for n = 201170697 and 201170706.

It is not an unprimeable number, because it can be changed into a prime (201170731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5722 + ... + 20858.

It is an arithmetic number, because the mean of its divisors is an integer number (15122862).

Almost surely, 2^201170730 is an apocalyptic number.

201170730 is an abundant number, since it is smaller than the sum of its proper divisors (282760854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201170730 is a wasteful number, since it uses less digits than its factorization.

201170730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15590.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 201170730 is about 14183.4667835477. The cubic root of 201170730 is about 585.9424067927.

The spelling of 201170730 in words is "two hundred one million, one hundred seventy thousand, seven hundred thirty".