4072942205 has 4 divisors (see below), whose sum is σ = 4887530652. Its totient is φ = 3258353760.

The previous prime is 4072942171. The next prime is 4072942243. The reversal of 4072942205 is 5022492704.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1375074724 + 2697867481 = 37082^2 + 51941^2 .

It is not a de Polignac number, because 4072942205 - 2⁶ = 4072942141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 407294216 + ... + 407294225.

It is an arithmetic number, because the mean of its divisors is an integer number (1221882663).

Almost surely, 2^4072942205 is an apocalyptic number.

It is an amenable number.

4072942205 is a deficient number, since it is larger than the sum of its proper divisors (814588447).

4072942205 is an equidigital number, since it uses as much as digits as its factorization.

4072942205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814588446.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 4072942205 is about 63819.6067443227. The cubic root of 4072942205 is about 1596.9920315651.

The spelling of 4072942205 in words is "four billion, seventy-two million, nine hundred forty-two thousand, two hundred five".