7387321274388 has 192 divisors, whose sum is σ = 21546695520000. Its totient is φ = 2169322905600.

The previous prime is 7387321274383. The next prime is 7387321274407. The reversal of 7387321274388 is 8834721237837.

It is a happy number.

7387321274388 is a `hidden beast` number, since 7 + 3 + 8 + 7 + 321 + 274 + 38 + 8 = 666.

It is a super-2 number, since 2×7387321274388² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7387321274383) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6748548 + ... + 7766436.

It is an arithmetic number, because the mean of its divisors is an integer number (112222372500).

Almost surely, 2^{7387321274388} 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 7387321274388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10773347760000).

7387321274388 is an abundant number, since it is smaller than the sum of its proper divisors (14159374245612).

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

7387321274388 is a wasteful number, since it uses less digits than its factorization.

7387321274388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018103 (or 1018095 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 63.

The spelling of 7387321274388 in words is "seven trillion, three hundred eighty-seven billion, three hundred twenty-one million, two hundred seventy-four thousand, three hundred eighty-eight".