5662707721 has 32 divisors (see below), whose sum is σ = 6562529280. Its totient is φ = 4838390400.

The previous prime is 5662707703. The next prime is 5662707733. The reversal of 5662707721 is 1277072665.

It is a cyclic number.

It is not a de Polignac number, because 5662707721 - 2⁵ = 5662707689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5662707761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2194410 + ... + 2196988.

It is an arithmetic number, because the mean of its divisors is an integer number (205079040).

Almost surely, 2^5662707721 is an apocalyptic number.

It is an amenable number.

5662707721 is a deficient number, since it is larger than the sum of its proper divisors (899821559).

5662707721 is a wasteful number, since it uses less digits than its factorization.

5662707721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 5662707721 is about 75250.9649174016. The cubic root of 5662707721 is about 1782.4118004207.

The spelling of 5662707721 in words is "five billion, six hundred sixty-two million, seven hundred seven thousand, seven hundred twenty-one".