206270738 has 8 divisors (see below), whose sum is σ = 313322880. Its totient is φ = 101829780.

The previous prime is 206270737. The next prime is 206270747. The reversal of 206270738 is 837072602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 206270698 and 206270707.

It is not an unprimeable number, because it can be changed into a prime (206270737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652598 + ... + 652913.

It is an arithmetic number, because the mean of its divisors is an integer number (39165360).

Almost surely, 2^206270738 is an apocalyptic number.

206270738 is a deficient number, since it is larger than the sum of its proper divisors (107052142).

206270738 is a wasteful number, since it uses less digits than its factorization.

206270738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305592.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 206270738 is about 14362.1286026828. The cubic root of 206270738 is about 590.8526769009.

The spelling of 206270738 in words is "two hundred six million, two hundred seventy thousand, seven hundred thirty-eight".