5672661628 has 12 divisors (see below), whose sum is σ = 9929972080. Its totient is φ = 2835526752.

The previous prime is 5672661611. The next prime is 5672661661. The reversal of 5672661628 is 8261662765.

It is a happy number.

It is a super-2 number, since 2×5672661628² = 64358179891567220768, 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 in 3 ways as a sum of consecutive naturals, for example, 185001 + ... + 213472.

Almost surely, 2^5672661628 is an apocalyptic number.

It is an amenable number.

5672661628 is a deficient number, since it is larger than the sum of its proper divisors (4257310452).

5672661628 is a wasteful number, since it uses less digits than its factorization.

5672661628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402036 (or 402034 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 5672661628 is about 75317.0739474125. The cubic root of 5672661628 is about 1783.4555635052.

The spelling of 5672661628 in words is "five billion, six hundred seventy-two million, six hundred sixty-one thousand, six hundred twenty-eight".