76723750721106 has 40 divisors (see below), whose sum is σ = 172029021050700. Its totient is φ = 25558073106912.

The previous prime is 76723750721099. The next prime is 76723750721117. The reversal of 76723750721106 is 60112705732767.

76723750721106 is a `hidden beast` number, since 7 + 6 + 7 + 2 + 3 + 7 + 507 + 21 + 106 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 69665881798881 + 7057868922225 = 8346609^2 + 2656665^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 152622981 + ... + 153124856.

Almost surely, 2^{76723750721106} is an apocalyptic number.

76723750721106 is an abundant number, since it is smaller than the sum of its proper divisors (95305270329594).

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

76723750721106 is a wasteful number, since it uses less digits than its factorization.

76723750721106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305749400 (or 305749391 counting only the distinct ones).

The product of its (nonzero) digits is 5186160, while the sum is 54.

The spelling of 76723750721106 in words is "seventy-six trillion, seven hundred twenty-three billion, seven hundred fifty million, seven hundred twenty-one thousand, one hundred six".