3722423071312 has 80 divisors (see below), whose sum is σ = 7895588489280. Its totient is φ = 1686050150400.

The previous prime is 3722423071277. The next prime is 3722423071319. The reversal of 3722423071312 is 2131703242273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722423071319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124012018 + ... + 124042030.

It is an arithmetic number, because the mean of its divisors is an integer number (98694856116).

Almost surely, 2^{3722423071312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3722423071312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3947794244640).

3722423071312 is an abundant number, since it is smaller than the sum of its proper divisors (4173165417968).

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

3722423071312 is a wasteful number, since it uses less digits than its factorization.

3722423071312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32492 (or 32486 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 3722423071312 in words is "three trillion, seven hundred twenty-two billion, four hundred twenty-three million, seventy-one thousand, three hundred twelve".