7520069089 has 4 divisors (see below), whose sum is σ = 8098535956. Its totient is φ = 6941602224.

The previous prime is 7520069077. The next prime is 7520069159. The reversal of 7520069089 is 9809600257.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9809600257 = 23 ⋅426504359.

It can be written as a sum of positive squares in 2 ways, for example, as 1224440064 + 6295629025 = 34992^2 + 79345^2 .

It is a cyclic number.

It is not a de Polignac number, because 7520069089 - 2⁷ = 7520068961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7520069009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289233414 + ... + 289233439.

It is an arithmetic number, because the mean of its divisors is an integer number (2024633989).

Almost surely, 2^7520069089 is an apocalyptic number.

It is an amenable number.

7520069089 is a deficient number, since it is larger than the sum of its proper divisors (578466867).

7520069089 is a wasteful number, since it uses less digits than its factorization.

7520069089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578466866.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 7520069089 is about 86718.3319085417. The cubic root of 7520069089 is about 1959.1782172908.

The spelling of 7520069089 in words is "seven billion, five hundred twenty million, sixty-nine thousand, eighty-nine".