7144768 has 14 divisors (see below), whose sum is σ = 14178026. Its totient is φ = 3572352.

The previous prime is 7144757. The next prime is 7144769. The reversal of 7144768 is 8674417.

It can be written as a sum of positive squares in only one way, i.e., 7139584 + 5184 = 2672^2 + 72^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7144769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55755 + ... + 55882.

Almost surely, 2^7144768 is an apocalyptic number.

It is an amenable number.

7144768 is a deficient number, since it is larger than the sum of its proper divisors (7033258).

7144768 is a wasteful number, since it uses less digits than its factorization.

7144768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111649 (or 111639 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 7144768 is about 2672.9698838558. The cubic root of 7144768 is about 192.6028505311.

Adding to 7144768 its product of digits (37632), we get a square (7182400 = 2680²).

The spelling of 7144768 in words is "seven million, one hundred forty-four thousand, seven hundred sixty-eight".