7426470665 has 8 divisors (see below), whose sum is σ = 8971576200. Its totient is φ = 5901302272.

The previous prime is 7426470659. The next prime is 7426470673. The reversal of 7426470665 is 5660746247.

It can be written as a sum of positive squares in 4 ways, for example, as 330766969 + 7095703696 = 18187^2 + 84236^2 .

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 7426470665 - 2²⁰ = 7425422089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4983464 + ... + 4984953.

It is an arithmetic number, because the mean of its divisors is an integer number (1121447025).

Almost surely, 2^7426470665 is an apocalyptic number.

It is an amenable number.

7426470665 is a deficient number, since it is larger than the sum of its proper divisors (1545105535).

7426470665 is a wasteful number, since it uses less digits than its factorization.

7426470665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9968571.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The square root of 7426470665 is about 86176.9729394111. The cubic root of 7426470665 is about 1951.0159654319.

The spelling of 7426470665 in words is "seven billion, four hundred twenty-six million, four hundred seventy thousand, six hundred sixty-five".