76742353471121 has 32 divisors (see below), whose sum is σ = 86966344593408. Its totient is φ = 67233272166720.

The previous prime is 76742353471117. The next prime is 76742353471229. The reversal of 76742353471121 is 12117435324767.

It is a cyclic number.

It is not a de Polignac number, because 76742353471121 - 2² = 76742353471117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76742353771121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131135 + ... + 12389588.

It is an arithmetic number, because the mean of its divisors is an integer number (2717698268544).

Almost surely, 2^{76742353471121} is an apocalyptic number.

It is an amenable number.

76742353471121 is a deficient number, since it is larger than the sum of its proper divisors (10223991122287).

76742353471121 is a wasteful number, since it uses less digits than its factorization.

76742353471121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12521061.

The product of its digits is 5927040, while the sum is 53.

Adding to 76742353471121 its reverse (12117435324767), we get a palindrome (88859788795888).

The spelling of 76742353471121 in words is "seventy-six trillion, seven hundred forty-two billion, three hundred fifty-three million, four hundred seventy-one thousand, one hundred twenty-one".