7421537914752 has 256 divisors, whose sum is σ = 22210427473920. Its totient is φ = 2180449812480.

The previous prime is 7421537914709. The next prime is 7421537914807. The reversal of 7421537914752 is 2574197351247.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7421537914692 and 7421537914701.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 9233833 + ... + 10005335.

It is an arithmetic number, because the mean of its divisors is an integer number (86759482320).

Almost surely, 2^{7421537914752} 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 7421537914752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11105213736960).

7421537914752 is an abundant number, since it is smaller than the sum of its proper divisors (14788889559168).

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

7421537914752 is a wasteful number, since it uses less digits than its factorization.

7421537914752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771621 (or 771609 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 57.

The spelling of 7421537914752 in words is "seven trillion, four hundred twenty-one billion, five hundred thirty-seven million, nine hundred fourteen thousand, seven hundred fifty-two".