7275945 has 8 divisors (see below), whose sum is σ = 11641536. Its totient is φ = 3880496.

The previous prime is 7275943. The next prime is 7275967. The reversal of 7275945 is 5495727.

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

It is a cyclic number.

It is not a de Polignac number, because 7275945 - 2¹ = 7275943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7275943) 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, 242517 + ... + 242546.

It is an arithmetic number, because the mean of its divisors is an integer number (1455192).

Almost surely, 2^7275945 is an apocalyptic number.

It is an amenable number.

7275945 is a deficient number, since it is larger than the sum of its proper divisors (4365591).

7275945 is a wasteful number, since it uses less digits than its factorization.

7275945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485071.

The product of its digits is 88200, while the sum is 39.

The square root of 7275945 is about 2697.3959664832. The cubic root of 7275945 is about 193.7744304955.

The spelling of 7275945 in words is "seven million, two hundred seventy-five thousand, nine hundred forty-five".