7347424666 has 4 divisors (see below), whose sum is σ = 11021137002. Its totient is φ = 3673712332.

The previous prime is 7347424649. The next prime is 7347424673. The reversal of 7347424666 is 6664247437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6664247437 = 4051 ⋅1645087.

It can be written as a sum of positive squares in only one way, i.e., 6741231025 + 606193641 = 82105^2 + 24621^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1836856165 + ... + 1836856168.

Almost surely, 2^7347424666 is an apocalyptic number.

7347424666 is a deficient number, since it is larger than the sum of its proper divisors (3673712336).

7347424666 is a wasteful number, since it uses less digits than its factorization.

7347424666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673712335.

The product of its digits is 4064256, while the sum is 49.

The square root of 7347424666 is about 85717.1200286151. The cubic root of 7347424666 is about 1944.0691740205.

The spelling of 7347424666 in words is "seven billion, three hundred forty-seven million, four hundred twenty-four thousand, six hundred sixty-six".