7117142740 has 48 divisors (see below), whose sum is σ = 15748729920. Its totient is φ = 2694263040.

The previous prime is 7117142729. The next prime is 7117142777. The reversal of 7117142740 is 472417117.

It is a junction number, because it is equal to n+sod(n) for n = 7117142696 and 7117142705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383475 + ... + 401605.

It is an arithmetic number, because the mean of its divisors is an integer number (328098540).

Almost surely, 2^7117142740 is an apocalyptic number.

It is an amenable number.

7117142740 is an abundant number, since it is smaller than the sum of its proper divisors (8631587180).

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

7117142740 is a wasteful number, since it uses less digits than its factorization.

7117142740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19192 (or 19190 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 7117142740 is about 84363.1598507311. The cubic root of 7117142740 is about 1923.5429680646.

Adding to 7117142740 its reverse (472417117), we get a palindrome (7589559857).

The spelling of 7117142740 in words is "seven billion, one hundred seventeen million, one hundred forty-two thousand, seven hundred forty".