76425642722 has 54 divisors (see below), whose sum is σ = 136545951969. Its totient is φ = 32043245520.

The previous prime is 76425642691. The next prime is 76425642737. The reversal of 76425642722 is 22724652467.

It can be written as a sum of positive squares in 2 ways, for example, as 65346185641 + 11079457081 = 255629^2 + 105259^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=195481.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 55906883 + ... + 55908249.

Almost surely, 2^76425642722 is an apocalyptic number.

76425642722 is a deficient number, since it is larger than the sum of its proper divisors (60120309247).

76425642722 is a wasteful number, since it uses less digits than its factorization.

76425642722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784 (or 1393 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 47.

The spelling of 76425642722 in words is "seventy-six billion, four hundred twenty-five million, six hundred forty-two thousand, seven hundred twenty-two".