7530945 has 8 divisors (see below), whose sum is σ = 12049536. Its totient is φ = 4016496.

The previous prime is 7530931. The next prime is 7530947. The reversal of 7530945 is 5490357.

7530945 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7530945 - 2⁸ = 7530689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7530947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251017 + ... + 251046.

It is an arithmetic number, because the mean of its divisors is an integer number (1506192).

Almost surely, 2^7530945 is an apocalyptic number.

It is an amenable number.

7530945 is a deficient number, since it is larger than the sum of its proper divisors (4518591).

7530945 is a wasteful number, since it uses less digits than its factorization.

7530945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502071.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 7530945 is about 2744.2567299726. The cubic root of 7530945 is about 196.0122250462.

The spelling of 7530945 in words is "seven million, five hundred thirty thousand, nine hundred forty-five".