7142623668 has 72 divisors (see below), whose sum is σ = 18170399520. Its totient is φ = 2365704000.

The previous prime is 7142623639. The next prime is 7142623669. The reversal of 7142623668 is 8663262417.

7142623668 is a `hidden beast` number, since 7 + 14 + 2 + 623 + 6 + 6 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142623669) 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 23 ways as a sum of consecutive naturals, for example, 5592646 + ... + 5593922.

It is an arithmetic number, because the mean of its divisors is an integer number (252366660).

Almost surely, 2^7142623668 is an apocalyptic number.

It is an amenable number.

7142623668 is an abundant number, since it is smaller than the sum of its proper divisors (11027775852).

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

7142623668 is a wasteful number, since it uses less digits than its factorization.

7142623668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157 (or 2152 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 7142623668 is about 84514.0442056822. The cubic root of 7142623668 is about 1925.8358021658.

The spelling of 7142623668 in words is "seven billion, one hundred forty-two million, six hundred twenty-three thousand, six hundred sixty-eight".