7042758720 has 224 divisors, whose sum is σ = 23033662848. Its totient is φ = 1822359552.

The previous prime is 7042758661. The next prime is 7042758733. The reversal of 7042758720 is 278572407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4934647 + ... + 4936073.

It is an arithmetic number, because the mean of its divisors is an integer number (102828852).

Almost surely, 2^7042758720 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 7042758720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11516831424).

7042758720 is an abundant number, since it is smaller than the sum of its proper divisors (15990904128).

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

7042758720 is a wasteful number, since it uses less digits than its factorization.

7042758720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1587 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 42.

The square root of 7042758720 is about 83921.1458453708. The cubic root of 7042758720 is about 1916.8182545597.

The spelling of 7042758720 in words is "seven billion, forty-two million, seven hundred fifty-eight thousand, seven hundred twenty".