7440707666671 has 4 divisors (see below), whose sum is σ = 7464479895952. Its totient is φ = 7416935437392.

The previous prime is 7440707666669. The next prime is 7440707666683. The reversal of 7440707666671 is 1766667070447.

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

It is a cyclic number.

It is not a de Polignac number, because 7440707666671 - 2¹ = 7440707666669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7440707666621) 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, 11886114171 + ... + 11886114796.

It is an arithmetic number, because the mean of its divisors is an integer number (1866119973988).

Almost surely, 2^{7440707666671} is an apocalyptic number.

7440707666671 is a deficient number, since it is larger than the sum of its proper divisors (23772229281).

7440707666671 is a wasteful number, since it uses less digits than its factorization.

7440707666671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23772229280.

The product of its (nonzero) digits is 49787136, while the sum is 61.

The spelling of 7440707666671 in words is "seven trillion, four hundred forty billion, seven hundred seven million, six hundred sixty-six thousand, six hundred seventy-one".