7345666 has 32 divisors (see below), whose sum is σ = 12519360. Its totient is φ = 3211776.

The previous prime is 7345661. The next prime is 7345699. The reversal of 7345666 is 6665437.

It is not an unprimeable number, because it can be changed into a prime (7345661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53550 + ... + 53686.

It is an arithmetic number, because the mean of its divisors is an integer number (391230).

Almost surely, 2^7345666 is an apocalyptic number.

7345666 is a deficient number, since it is larger than the sum of its proper divisors (5173694).

7345666 is a wasteful number, since it uses less digits than its factorization.

7345666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258.

The product of its digits is 90720, while the sum is 37.

The square root of 7345666 is about 2710.2889144886. The cubic root of 7345666 is about 194.3914052041.

It can be divided in two parts, 734 and 5666, that added together give a square (6400 = 80²).

The spelling of 7345666 in words is "seven million, three hundred forty-five thousand, six hundred sixty-six".