7875344 has 20 divisors (see below), whose sum is σ = 15510540. Its totient is φ = 3872640.

The previous prime is 7875341. The next prime is 7875347. The reversal of 7875344 is 4435787.

It is an interprime number because it is at equal distance from previous prime (7875341) and next prime (7875347).

It can be written as a sum of positive squares in 2 ways, for example, as 102400 + 7772944 = 320^2 + 2788^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 7² + 8⁵ + 7⁸ + 5⁹ + 3¹⁰ + 4² + 4⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 7875298 and 7875307.

It is not an unprimeable number, because it can be changed into a prime (7875341) 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, 3059 + ... + 5010.

It is an arithmetic number, because the mean of its divisors is an integer number (775527).

Almost surely, 2^7875344 is an apocalyptic number.

It is an amenable number.

7875344 is a deficient number, since it is larger than the sum of its proper divisors (7635196).

7875344 is a wasteful number, since it uses less digits than its factorization.

7875344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8138 (or 8132 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 7875344 is about 2806.3043313226. The cubic root of 7875344 is about 198.9557572747.

The spelling of 7875344 in words is "seven million, eight hundred seventy-five thousand, three hundred forty-four".