7673678081 has 4 divisors (see below), whose sum is σ = 7938287700. Its totient is φ = 7409068464.

The previous prime is 7673678069. The next prime is 7673678101. The reversal of 7673678081 is 1808763767.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2332407025 + 5341271056 = 48295^2 + 73084^2 .

It is a cyclic number.

It is not a de Polignac number, because 7673678081 - 2⁶ = 7673678017 is a prime.

It is a super-2 number, since 2×7673678081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7673678981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132304766 + ... + 132304823.

It is an arithmetic number, because the mean of its divisors is an integer number (1984571925).

Almost surely, 2^7673678081 is an apocalyptic number.

It is an amenable number.

7673678081 is a deficient number, since it is larger than the sum of its proper divisors (264609619).

7673678081 is a wasteful number, since it uses less digits than its factorization.

7673678081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264609618.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The square root of 7673678081 is about 87599.5324245512. The cubic root of 7673678081 is about 1972.4281499860.

The spelling of 7673678081 in words is "seven billion, six hundred seventy-three million, six hundred seventy-eight thousand, eighty-one".