27130065724 has 12 divisors (see below), whose sum is σ = 49976437000. Its totient is φ = 12851083728.

The previous prime is 27130065719. The next prime is 27130065737. The reversal of 27130065724 is 42756003172.

It is a happy number.

It is a congruent number.

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, 178487199 + ... + 178487350.

Almost surely, 2^27130065724 is an apocalyptic number.

It is an amenable number.

27130065724 is a deficient number, since it is larger than the sum of its proper divisors (22846371276).

27130065724 is a wasteful number, since it uses less digits than its factorization.

27130065724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356974572 (or 356974570 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

Adding to 27130065724 its reverse (42756003172), we get a palindrome (69886068896).

The spelling of 27130065724 in words is "twenty-seven billion, one hundred thirty million, sixty-five thousand, seven hundred twenty-four".