7520473666 has 16 divisors (see below), whose sum is σ = 11545462656. Its totient is φ = 3672329776.

The previous prime is 7520473661. The next prime is 7520473673. The reversal of 7520473666 is 6663740257.

It is not an unprimeable number, because it can be changed into a prime (7520473661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41761 + ... + 129556.

It is an arithmetic number, because the mean of its divisors is an integer number (721591416).

Almost surely, 2^7520473666 is an apocalyptic number.

7520473666 is a deficient number, since it is larger than the sum of its proper divisors (4024988990).

7520473666 is a wasteful number, since it uses less digits than its factorization.

7520473666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171833.

The product of its (nonzero) digits is 1270080, while the sum is 46.

The square root of 7520473666 is about 86720.6645846306. The cubic root of 7520473666 is about 1959.2133510208.

The spelling of 7520473666 in words is "seven billion, five hundred twenty million, four hundred seventy-three thousand, six hundred sixty-six".