5706656728 has 8 divisors (see below), whose sum is σ = 10699981380. Its totient is φ = 2853328360.

The previous prime is 5706656717. The next prime is 5706656749. The reversal of 5706656728 is 8276566075.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×5706656728² = 65131862022455331968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356666038 + ... + 356666053.

Almost surely, 2^5706656728 is an apocalyptic number.

It is an amenable number.

5706656728 is a deficient number, since it is larger than the sum of its proper divisors (4993324652).

5706656728 is a wasteful number, since it uses less digits than its factorization.

5706656728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713332097 (or 713332093 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The square root of 5706656728 is about 75542.4167471494. The cubic root of 5706656728 is about 1787.0110984501.

The spelling of 5706656728 in words is "five billion, seven hundred six million, six hundred fifty-six thousand, seven hundred twenty-eight".