7642866692 has 24 divisors (see below), whose sum is σ = 13729900800. Its totient is φ = 3721363776.

The previous prime is 7642866691. The next prime is 7642866701. The reversal of 7642866692 is 2966682467.

It is a happy number.

It is a super-3 number, since 3×7642866692³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (7642866691) 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, 142592 + ... + 188727.

It is an arithmetic number, because the mean of its divisors is an integer number (572079200).

Almost surely, 2^7642866692 is an apocalyptic number.

It is an amenable number.

7642866692 is a deficient number, since it is larger than the sum of its proper divisors (6087034108).

7642866692 is a wasteful number, since it uses less digits than its factorization.

7642866692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331475 (or 331473 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 56.

The square root of 7642866692 is about 87423.4905045549. The cubic root of 7642866692 is about 1969.7847078493.

The spelling of 7642866692 in words is "seven billion, six hundred forty-two million, eight hundred sixty-six thousand, six hundred ninety-two".