7144066 has 8 divisors (see below), whose sum is σ = 10732284. Its totient is φ = 3566640.

The previous prime is 7144061. The next prime is 7144129. The reversal of 7144066 is 6604417.

It can be written as a sum of positive squares in 2 ways, for example, as 6395841 + 748225 = 2529^2 + 865^2 .

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

It is a d-powerful number, because it can be written as 7⁸ + 1 + 4⁶ + 4¹⁰ + 0 + 6⁶ + 6⁷ .

It is not an unprimeable number, because it can be changed into a prime (7144061) 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, 765 + ... + 3856.

Almost surely, 2^7144066 is an apocalyptic number.

7144066 is a deficient number, since it is larger than the sum of its proper divisors (3588218).

7144066 is a wasteful number, since it uses less digits than its factorization.

7144066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 7144066 is about 2672.8385660193. The cubic root of 7144066 is about 192.5965423427.

The spelling of 7144066 in words is "seven million, one hundred forty-four thousand, sixty-six".