74375747772 has 24 divisors (see below), whose sum is σ = 181088777856. Its totient is φ = 23714006448.

The previous prime is 74375747731. The next prime is 74375747777. The reversal of 74375747772 is 27774757347.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74375747777) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 134738398 + ... + 134738949.

It is an arithmetic number, because the mean of its divisors is an integer number (7545365744).

Almost surely, 2^74375747772 is an apocalyptic number.

It is an amenable number.

74375747772 is an abundant number, since it is smaller than the sum of its proper divisors (106713030084).

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

74375747772 is a wasteful number, since it uses less digits than its factorization.

74375747772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269477377 (or 269477375 counting only the distinct ones).

The product of its digits is 56471520, while the sum is 60.

The spelling of 74375747772 in words is "seventy-four billion, three hundred seventy-five million, seven hundred forty-seven thousand, seven hundred seventy-two".