7552945 has 8 divisors (see below), whose sum is σ = 9188136. Its totient is φ = 5959296.

The previous prime is 7552943. The next prime is 7552957. The reversal of 7552945 is 5492557.

7552945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2322576 + 5230369 = 1524^2 + 2287^2 .

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 7552945 - 2¹ = 7552943 is a prime.

It is a Duffinian number.

7552945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7552943) 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, 9982 + ... + 10711.

It is an arithmetic number, because the mean of its divisors is an integer number (1148517).

Almost surely, 2^7552945 is an apocalyptic number.

It is an amenable number.

7552945 is a deficient number, since it is larger than the sum of its proper divisors (1635191).

7552945 is a wasteful number, since it uses less digits than its factorization.

7552945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20771.

The product of its digits is 63000, while the sum is 37.

The square root of 7552945 is about 2748.2621781773. The cubic root of 7552945 is about 196.2029083596.

The spelling of 7552945 in words is "seven million, five hundred fifty-two thousand, nine hundred forty-five".