7126863420 has 192 divisors, whose sum is σ = 21919113216. Its totient is φ = 1722408960.

The previous prime is 7126863397. The next prime is 7126863427. The reversal of 7126863420 is 243686217.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7126863427) 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 63 ways as a sum of consecutive naturals, for example, 8315632 + ... + 8316488.

It is an arithmetic number, because the mean of its divisors is an integer number (114162048).

Almost surely, 2^7126863420 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 7126863420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10959556608).

7126863420 is an abundant number, since it is smaller than the sum of its proper divisors (14792249796).

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

7126863420 is a wasteful number, since it uses less digits than its factorization.

7126863420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 7126863420 is about 84420.7523065271. The cubic root of 7126863420 is about 1924.4183024545.

The spelling of 7126863420 in words is "seven billion, one hundred twenty-six million, eight hundred sixty-three thousand, four hundred twenty".