7642975522 has 64 divisors (see below), whose sum is σ = 14737847040. Its totient is φ = 2891863296.

The previous prime is 7642975519. The next prime is 7642975573. The reversal of 7642975522 is 2255792467.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387688 + ... + 406924.

It is an arithmetic number, because the mean of its divisors is an integer number (230278860).

Almost surely, 2^7642975522 is an apocalyptic number.

7642975522 is a deficient number, since it is larger than the sum of its proper divisors (7094871518).

7642975522 is a wasteful number, since it uses less digits than its factorization.

7642975522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19355.

The product of its digits is 2116800, while the sum is 49.

The square root of 7642975522 is about 87424.1129323026. The cubic root of 7642975522 is about 1969.7940573365.

The spelling of 7642975522 in words is "seven billion, six hundred forty-two million, nine hundred seventy-five thousand, five hundred twenty-two".