205700734 has 16 divisors (see below), whose sum is σ = 316609920. Its totient is φ = 100177560.

The previous prime is 205700681. The next prime is 205700743. The reversal of 205700734 is 437007502.

It is a congruent number.

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, 29439 + ... + 35749.

It is an arithmetic number, because the mean of its divisors is an integer number (19788120).

Almost surely, 2^205700734 is an apocalyptic number.

205700734 is a deficient number, since it is larger than the sum of its proper divisors (110909186).

205700734 is a wasteful number, since it uses less digits than its factorization.

205700734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6735.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 205700734 is about 14342.2708801640. The cubic root of 205700734 is about 590.3079250629.

The spelling of 205700734 in words is "two hundred five million, seven hundred thousand, seven hundred thirty-four".