7742939268 has 12 divisors (see below), whose sum is σ = 18066858320. Its totient is φ = 2580979752.

The previous prime is 7742939203. The next prime is 7742939279. The reversal of 7742939268 is 8629392477.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322622458 + ... + 322622481.

Almost surely, 2^7742939268 is an apocalyptic number.

It is an amenable number.

7742939268 is an abundant number, since it is smaller than the sum of its proper divisors (10323919052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7742939268 is a wasteful number, since it uses less digits than its factorization.

7742939268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645244946 (or 645244944 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 57.

The square root of 7742939268 is about 87993.9729072395. The cubic root of 7742939268 is about 1978.3446413355.

The spelling of 7742939268 in words is "seven billion, seven hundred forty-two million, nine hundred thirty-nine thousand, two hundred sixty-eight".