7280668636071 has 16 divisors (see below), whose sum is σ = 10221694899840. Its totient is φ = 4596871361760.

The previous prime is 7280668636069. The next prime is 7280668636117. The reversal of 7280668636071 is 1706368660827.

It is not a de Polignac number, because 7280668636071 - 2¹ = 7280668636069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7280668635996 and 7280668636014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7280668632071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19895865 + ... + 20258498.

It is an arithmetic number, because the mean of its divisors is an integer number (638855931240).

Almost surely, 2^{7280668636071} is an apocalyptic number.

7280668636071 is a deficient number, since it is larger than the sum of its proper divisors (2941026263769).

7280668636071 is a wasteful number, since it uses less digits than its factorization.

7280668636071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40157566.

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 7280668636071 in words is "seven trillion, two hundred eighty billion, six hundred sixty-eight million, six hundred thirty-six thousand, seventy-one".