71773012774 has 8 divisors (see below), whose sum is σ = 107770396968. Its totient is φ = 35849547120.

The previous prime is 71773012747. The next prime is 71773012777. The reversal of 71773012774 is 47721037717.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71773012777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18477207 + ... + 18481090.

It is an arithmetic number, because the mean of its divisors is an integer number (13471299621).

Almost surely, 2^71773012774 is an apocalyptic number.

71773012774 is a deficient number, since it is larger than the sum of its proper divisors (35997384194).

71773012774 is a wasteful number, since it uses less digits than its factorization.

71773012774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36959270.

The product of its (nonzero) digits is 403368, while the sum is 46.

The spelling of 71773012774 in words is "seventy-one billion, seven hundred seventy-three million, twelve thousand, seven hundred seventy-four".