7742924666 has 16 divisors (see below), whose sum is σ = 11946856320. Its totient is φ = 3761824800.

The previous prime is 7742924663. The next prime is 7742924681. The reversal of 7742924666 is 6664292477.

It is not an unprimeable number, because it can be changed into a prime (7742924663) 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 7 ways as a sum of consecutive naturals, for example, 283235 + ... + 309366.

It is an arithmetic number, because the mean of its divisors is an integer number (746678520).

Almost surely, 2^7742924666 is an apocalyptic number.

7742924666 is a deficient number, since it is larger than the sum of its proper divisors (4203931654).

7742924666 is a wasteful number, since it uses less digits than its factorization.

7742924666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592789.

The product of its digits is 6096384, while the sum is 53.

The square root of 7742924666 is about 87993.8899356086. The cubic root of 7742924666 is about 1978.3433977162.

The spelling of 7742924666 in words is "seven billion, seven hundred forty-two million, nine hundred twenty-four thousand, six hundred sixty-six".