2071736057 has 4 divisors (see below), whose sum is σ = 2086858356. Its totient is φ = 2056613760.

The previous prime is 2071736021. The next prime is 2071736099. The reversal of 2071736057 is 7506371702.

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 544802281 + 1526933776 = 23341^2 + 39076^2 .

It is a cyclic number.

It is not a de Polignac number, because 2071736057 - 2⁶ = 2071735993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2071736057.

It is not an unprimeable number, because it can be changed into a prime (2071736257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7560944 + ... + 7561217.

It is an arithmetic number, because the mean of its divisors is an integer number (521714589).

Almost surely, 2^2071736057 is an apocalyptic number.

It is an amenable number.

2071736057 is a deficient number, since it is larger than the sum of its proper divisors (15122299).

2071736057 is a wasteful number, since it uses less digits than its factorization.

2071736057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15122298.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 2071736057 is about 45516.3273672207. The cubic root of 2071736057 is about 1274.8080822500.

The spelling of 2071736057 in words is "two billion, seventy-one million, seven hundred thirty-six thousand, fifty-seven".