7238742720 has 336 divisors, whose sum is σ = 25553785824. Its totient is φ = 1734656000.

The previous prime is 7238742713. The next prime is 7238742737. The reversal of 7238742720 is 272478327.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11731852 + ... + 11732468.

It is an arithmetic number, because the mean of its divisors is an integer number (76052934).

Almost surely, 2^7238742720 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 7238742720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12776892912).

7238742720 is an abundant number, since it is smaller than the sum of its proper divisors (18315043104).

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

7238742720 is a wasteful number, since it uses less digits than its factorization.

7238742720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 42.

The square root of 7238742720 is about 85080.8011245780. The cubic root of 7238742720 is about 1934.4360647892.

The spelling of 7238742720 in words is "seven billion, two hundred thirty-eight million, seven hundred forty-two thousand, seven hundred twenty".