7520065 has 16 divisors (see below), whose sum is σ = 10593792. Its totient is φ = 5016384.

The previous prime is 7520063. The next prime is 7520083. The reversal of 7520065 is 5600257.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7520065 - 2¹ = 7520063 is a prime.

It is a Duffinian number.

7520065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7520063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1609 + ... + 4198.

It is an arithmetic number, because the mean of its divisors is an integer number (662112).

Almost surely, 2^7520065 is an apocalyptic number.

It is an amenable number.

7520065 is a deficient number, since it is larger than the sum of its proper divisors (3073727).

7520065 is a wasteful number, since it uses less digits than its factorization.

7520065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 7520065 is about 2742.2736916654. The cubic root of 7520065 is about 195.9177862193.

The spelling of 7520065 in words is "seven million, five hundred twenty thousand, sixty-five".