201270738 has 16 divisors (see below), whose sum is σ = 404953920. Its totient is φ = 66688176.

The previous prime is 201270737. The next prime is 201270739. The reversal of 201270738 is 837072102.

It is an interprime number because it is at equal distance from previous prime (201270737) and next prime (201270739).

It is not an unprimeable number, because it can be changed into a prime (201270731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99433 + ... + 101436.

It is an arithmetic number, because the mean of its divisors is an integer number (25309620).

Almost surely, 2^201270738 is an apocalyptic number.

201270738 is an abundant number, since it is smaller than the sum of its proper divisors (203683182).

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

201270738 is a wasteful number, since it uses less digits than its factorization.

201270738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201041.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 201270738 is about 14186.9918587416. The cubic root of 201270738 is about 586.0394872186.

The spelling of 201270738 in words is "two hundred one million, two hundred seventy thousand, seven hundred thirty-eight".