7875975 has 24 divisors (see below), whose sum is σ = 13709440. Its totient is φ = 3978720.

The previous prime is 7875971. The next prime is 7875983. The reversal of 7875975 is 5795787.

7875975 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7875975 - 2² = 7875971 is a prime.

7875975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7875971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1339 + ... + 4188.

Almost surely, 2^7875975 is an apocalyptic number.

7875975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7875975 is a deficient number, since it is larger than the sum of its proper divisors (5833465).

7875975 is a wasteful number, since it uses less digits than its factorization.

7875975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559 (or 5554 counting only the distinct ones).

The product of its digits is 617400, while the sum is 48.

The square root of 7875975 is about 2806.4167545110. The cubic root of 7875975 is about 198.9610708090.

The spelling of 7875975 in words is "seven million, eight hundred seventy-five thousand, nine hundred seventy-five".