7406706666971 has 8 divisors (see below), whose sum is σ = 7415390087424. Its totient is φ = 7398025583080.

The previous prime is 7406706666943. The next prime is 7406706666979. The reversal of 7406706666971 is 1796666076047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7406706666971 - 2¹⁴ = 7406706650587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7406706666898 and 7406706666907.

It is not an unprimeable number, because it can be changed into a prime (7406706666979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5800250 + ... + 6961056.

It is an arithmetic number, because the mean of its divisors is an integer number (926923760928).

Almost surely, 2^{7406706666971} is an apocalyptic number.

7406706666971 is a deficient number, since it is larger than the sum of its proper divisors (8683420453).

7406706666971 is a wasteful number, since it uses less digits than its factorization.

7406706666971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168281.

The product of its (nonzero) digits is 96018048, while the sum is 65.

The spelling of 7406706666971 in words is "seven trillion, four hundred six billion, seven hundred six million, six hundred sixty-six thousand, nine hundred seventy-one".