7578532742 has 24 divisors (see below), whose sum is σ = 12799961496. Its totient is φ = 3360764000.

The previous prime is 7578532739. The next prime is 7578532747. The reversal of 7578532742 is 2472358757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7578532747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371984 + ... + 391827.

It is an arithmetic number, because the mean of its divisors is an integer number (533331729).

Almost surely, 2^7578532742 is an apocalyptic number.

7578532742 is a deficient number, since it is larger than the sum of its proper divisors (5221428754).

7578532742 is a wasteful number, since it uses less digits than its factorization.

7578532742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763876 (or 763865 counting only the distinct ones).

The product of its digits is 3292800, while the sum is 50.

The square root of 7578532742 is about 87054.7686344637. The cubic root of 7578532742 is about 1964.2422294678.

The spelling of 7578532742 in words is "seven billion, five hundred seventy-eight million, five hundred thirty-two thousand, seven hundred forty-two".