205735070 has 32 divisors (see below), whose sum is σ = 376306560. Its totient is φ = 80974080.

The previous prime is 205735063. The next prime is 205735073. The reversal of 205735070 is 70537502.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205735073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240764 + ... + 241616.

It is an arithmetic number, because the mean of its divisors is an integer number (11759580).

Almost surely, 2^205735070 is an apocalyptic number.

205735070 is a deficient number, since it is larger than the sum of its proper divisors (170571490).

205735070 is a wasteful number, since it uses less digits than its factorization.

205735070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220.

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 205735070 is about 14343.4678512555. The cubic root of 205735070 is about 590.3407683832.

The spelling of 205735070 in words is "two hundred five million, seven hundred thirty-five thousand, seventy".