206724542 has 8 divisors (see below), whose sum is σ = 317650032. Its totient is φ = 100841200.

The previous prime is 206724493. The next prime is 206724559. The reversal of 206724542 is 245427602.

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

It is a junction number, because it is equal to n+sod(n) for n = 206724499 and 206724508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260434 + ... + 1260597.

It is an arithmetic number, because the mean of its divisors is an integer number (39706254).

Almost surely, 2^206724542 is an apocalyptic number.

206724542 is a deficient number, since it is larger than the sum of its proper divisors (110925490).

206724542 is a wasteful number, since it uses less digits than its factorization.

206724542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521074.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 206724542 is about 14377.9185558967. The cubic root of 206724542 is about 591.2856594905.

The spelling of 206724542 in words is "two hundred six million, seven hundred twenty-four thousand, five hundred forty-two".