206372047 has 4 divisors (see below), whose sum is σ = 235853776. Its totient is φ = 176890320.

The previous prime is 206372041. The next prime is 206372057. The reversal of 206372047 is 740273602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206372047 - 2³ = 206372039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206372041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14740854 + ... + 14740867.

It is an arithmetic number, because the mean of its divisors is an integer number (58963444).

Almost surely, 2^206372047 is an apocalyptic number.

206372047 is a deficient number, since it is larger than the sum of its proper divisors (29481729).

206372047 is an equidigital number, since it uses as much as digits as its factorization.

206372047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29481728.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 206372047 is about 14365.6551190678. The cubic root of 206372047 is about 590.9493926660.

The spelling of 206372047 in words is "two hundred six million, three hundred seventy-two thousand, forty-seven".