7642519475 has 12 divisors (see below), whose sum is σ = 9485947920. Its totient is φ = 6108064800.

The previous prime is 7642519453. The next prime is 7642519531. The reversal of 7642519475 is 5749152467.

It is a happy number.

It is not a de Polignac number, because 7642519475 - 2⁶ = 7642519411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122480 + ... + 174029.

It is an arithmetic number, because the mean of its divisors is an integer number (790495660).

Almost surely, 2^7642519475 is an apocalyptic number.

7642519475 is a deficient number, since it is larger than the sum of its proper divisors (1843428445).

7642519475 is a wasteful number, since it uses less digits than its factorization.

7642519475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297550 (or 297545 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 50.

The square root of 7642519475 is about 87421.5046484559. The cubic root of 7642519475 is about 1969.7548781566.

The spelling of 7642519475 in words is "seven billion, six hundred forty-two million, five hundred nineteen thousand, four hundred seventy-five".