5720665306 has 4 divisors (see below), whose sum is σ = 8580997962. Its totient is φ = 2860332652.

The previous prime is 5720665273. The next prime is 5720665319. The reversal of 5720665306 is 6035660275.

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

It can be written as a sum of positive squares in only one way, i.e., 5611358281 + 109307025 = 74909^2 + 10455^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430166325 + ... + 1430166328.

Almost surely, 2^5720665306 is an apocalyptic number.

5720665306 is a deficient number, since it is larger than the sum of its proper divisors (2860332656).

5720665306 is a wasteful number, since it uses less digits than its factorization.

5720665306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860332655.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 5720665306 is about 75635.0798637775. The cubic root of 5720665306 is about 1788.4721423710.

The spelling of 5720665306 in words is "five billion, seven hundred twenty million, six hundred sixty-five thousand, three hundred six".