206064741 has 4 divisors (see below), whose sum is σ = 274752992. Its totient is φ = 137376492.

The previous prime is 206064737. The next prime is 206064857. The reversal of 206064741 is 147460602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 206064741 - 2² = 206064737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206064699 and 206064708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206064641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34344121 + ... + 34344126.

It is an arithmetic number, because the mean of its divisors is an integer number (68688248).

Almost surely, 2^206064741 is an apocalyptic number.

It is an amenable number.

206064741 is a deficient number, since it is larger than the sum of its proper divisors (68688251).

206064741 is an equidigital number, since it uses as much as digits as its factorization.

206064741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68688250.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 206064741 is about 14354.9552768373. The cubic root of 206064741 is about 590.6559218659.

The spelling of 206064741 in words is "two hundred six million, sixty-four thousand, seven hundred forty-one".