206531472 has 60 divisors (see below), whose sum is σ = 620655216. Its totient is φ = 59008320.

The previous prime is 206531471. The next prime is 206531497. The reversal of 206531472 is 274135602.

206531472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (206531471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41554 + ... + 46257.

Almost surely, 2^206531472 is an apocalyptic number.

It is an amenable number.

206531472 is an abundant number, since it is smaller than the sum of its proper divisors (414123744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206531472 is a wasteful number, since it uses less digits than its factorization.

206531472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87836 (or 87823 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 206531472 is about 14371.2028724112. The cubic root of 206531472 is about 591.1015254422.

The spelling of 206531472 in words is "two hundred six million, five hundred thirty-one thousand, four hundred seventy-two".