7643672082 has 30 divisors (see below), whose sum is σ = 17129981253. Its totient is φ = 2547519768.

The previous prime is 7643672081. The next prime is 7643672119. The reversal of 7643672082 is 2802763467.

7643672082 is a `hidden beast` number, since 7 + 6 + 436 + 7 + 208 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4726700001 + 2916972081 = 68751^2 + 54009^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=61821.

It is not an unprimeable number, because it can be changed into a prime (7643672081) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1109344 + ... + 1116212.

Almost surely, 2^7643672082 is an apocalyptic number.

7643672082 is an abundant number, since it is smaller than the sum of its proper divisors (9486309171).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7643672082 is an frugal number, since it uses more digits than its factorization.

7643672082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13752 (or 6874 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 7643672082 is about 87428.0966394671. The cubic root of 7643672082 is about 1969.8538960762.

The spelling of 7643672082 in words is "seven billion, six hundred forty-three million, six hundred seventy-two thousand, eighty-two".