206075972 has 48 divisors (see below), whose sum is σ = 407877120. Its totient is φ = 90585600.

The previous prime is 206075959. The next prime is 206075981. The reversal of 206075972 is 279570602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59447 + ... + 62817.

It is an arithmetic number, because the mean of its divisors is an integer number (8497440).

Almost surely, 2^206075972 is an apocalyptic number.

It is an amenable number.

206075972 is a deficient number, since it is larger than the sum of its proper divisors (201801148).

206075972 is a wasteful number, since it uses less digits than its factorization.

206075972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452 (or 3450 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 206075972 is about 14355.3464604655. The cubic root of 206075972 is about 590.6666523708. Note that the first 4 decimals are identical.

The spelling of 206075972 in words is "two hundred six million, seventy-five thousand, nine hundred seventy-two".