7520886045 has 60 divisors (see below), whose sum is σ = 13831262676. Its totient is φ = 3907491840.

The previous prime is 7520886041. The next prime is 7520886059. The reversal of 7520886045 is 5406880257.

7520886045 is a `hidden beast` number, since 7 + 520 + 8 + 86 + 0 + 45 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1917914436 + 5602971609 = 43794^2 + 74853^2 .

It is not a de Polignac number, because 7520886045 - 2² = 7520886041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7520886041) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 11174829 + ... + 11175501.

Almost surely, 2^7520886045 is an apocalyptic number.

It is an amenable number.

7520886045 is a deficient number, since it is larger than the sum of its proper divisors (6310376631).

7520886045 is an frugal number, since it uses more digits than its factorization.

7520886045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 7520886045 is about 86723.0421802649. The cubic root of 7520886045 is about 1959.2491609849.

The spelling of 7520886045 in words is "seven billion, five hundred twenty million, eight hundred eighty-six thousand, forty-five".