201072770 has 16 divisors (see below), whose sum is σ = 383221368. Its totient is φ = 75697920.

The previous prime is 201072757. The next prime is 201072791. The reversal of 201072770 is 77270102.

It can be written as a sum of positive squares in 4 ways, for example, as 190136521 + 10936249 = 13789^2 + 3307^2 .

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, 591221 + ... + 591560.

Almost surely, 2^201072770 is an apocalyptic number.

201072770 is a deficient number, since it is larger than the sum of its proper divisors (182148598).

201072770 is a wasteful number, since it uses less digits than its factorization.

201072770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182805.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 201072770 is about 14180.0130465384. The cubic root of 201072770 is about 585.8472832170.

The spelling of 201072770 in words is "two hundred one million, seventy-two thousand, seven hundred seventy".