7520965 has 16 divisors (see below), whose sum is σ = 9319536. Its totient is φ = 5824000.

The previous prime is 7520927. The next prime is 7520969. The reversal of 7520965 is 5690257.

It can be written as a sum of positive squares in 8 ways, for example, as 1285956 + 6235009 = 1134^2 + 2497^2 .

It is not a de Polignac number, because 7520965 - 2⁷ = 7520837 is a prime.

It is a Duffinian number.

7520965 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7520965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7520969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26625 + ... + 26905.

It is an arithmetic number, because the mean of its divisors is an integer number (582471).

Almost surely, 2^7520965 is an apocalyptic number.

It is an amenable number.

7520965 is a deficient number, since it is larger than the sum of its proper divisors (1798571).

7520965 is a wasteful number, since it uses less digits than its factorization.

7520965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 7520965 is about 2742.4377841621. The cubic root of 7520965 is about 195.9256017091.

The spelling of 7520965 in words is "seven million, five hundred twenty thousand, nine hundred sixty-five".