7575945 has 16 divisors (see below), whose sum is σ = 13054272. Its totient is φ = 3729600.

The previous prime is 7575937. The next prime is 7575949. The reversal of 7575945 is 5495757.

It is not a de Polignac number, because 7575945 - 2³ = 7575937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7575897 and 7575906.

It is not an unprimeable number, because it can be changed into a prime (7575949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19231 + ... + 19620.

It is an arithmetic number, because the mean of its divisors is an integer number (815892).

Almost surely, 2^7575945 is an apocalyptic number.

It is an amenable number.

7575945 is a deficient number, since it is larger than the sum of its proper divisors (5478327).

7575945 is a wasteful number, since it uses less digits than its factorization.

7575945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38872.

The product of its digits is 220500, while the sum is 42.

The square root of 7575945 is about 2752.4434599098. The cubic root of 7575945 is about 196.4018636022.

The spelling of 7575945 in words is "seven million, five hundred seventy-five thousand, nine hundred forty-five".