506666672 has 20 divisors (see below), whose sum is σ = 982034616. Its totient is φ = 253238400.

The previous prime is 506666669. The next prime is 506666717. The reversal of 506666672 is 276666605.

It is a super-2 number, since 2×506666672² = 513422233031111168, which contains 22 as substring.

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, 60908 + ... + 68724.

Almost surely, 2^506666672 is an apocalyptic number.

It is an amenable number.

506666672 is a deficient number, since it is larger than the sum of its proper divisors (475367944).

506666672 is a wasteful number, since it uses less digits than its factorization.

506666672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11876 (or 11870 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 506666672 is about 22509.2574733153. The cubic root of 506666672 is about 797.2125237508.

The spelling of 506666672 in words is "five hundred six million, six hundred sixty-six thousand, six hundred seventy-two".