7247113920 has 168 divisors, whose sum is σ = 25786902960. Its totient is φ = 1865902080.

The previous prime is 7247113883. The next prime is 7247113927. The reversal of 7247113920 is 293117427.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7247113927) 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 23 ways as a sum of consecutive naturals, for example, 40135 + ... + 126905.

It is an arithmetic number, because the mean of its divisors is an integer number (153493470).

Almost surely, 2^7247113920 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 7247113920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12893451480).

7247113920 is an abundant number, since it is smaller than the sum of its proper divisors (18539789040).

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

7247113920 is a wasteful number, since it uses less digits than its factorization.

7247113920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86823 (or 86810 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 7247113920 is about 85129.9824973552. The cubic root of 7247113920 is about 1935.1814664659.

The spelling of 7247113920 in words is "seven billion, two hundred forty-seven million, one hundred thirteen thousand, nine hundred twenty".