7520666382 has 24 divisors (see below), whose sum is σ = 16297968960. Its totient is φ = 2506397760.

The previous prime is 7520666359. The next prime is 7520666389. The reversal of 7520666382 is 2836660257.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7520666389) 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 11 ways as a sum of consecutive naturals, for example, 60294 + ... + 136662.

It is an arithmetic number, because the mean of its divisors is an integer number (679082040).

Almost surely, 2^7520666382 is an apocalyptic number.

7520666382 is an abundant number, since it is smaller than the sum of its proper divisors (8777302578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7520666382 is a wasteful number, since it uses less digits than its factorization.

7520666382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81848 (or 81845 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 7520666382 is about 86721.7757082960. The cubic root of 7520666382 is about 1959.2300861607.

The spelling of 7520666382 in words is "seven billion, five hundred twenty million, six hundred sixty-six thousand, three hundred eighty-two".