7001280000 has 1200 divisors, whose sum is σ = 31408833456. Its totient is φ = 1474560000.

The previous prime is 7001279969. The next prime is 7001280031. The reversal of 7001280000 is 821007.

It is an interprime number because it is at equal distance from previous prime (7001279969) and next prime (7001280031).

It is a tau number, because it is divible by the number of its divisors (1200).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 411839992 + ... + 411840008.

Almost surely, 2^7001280000 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 7001280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15704416728).

7001280000 is an abundant number, since it is smaller than the sum of its proper divisors (24407553456).

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

7001280000 is a wasteful number, since it uses less digits than its factorization.

7001280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 7001280000 is about 83673.6517668495. The cubic root of 7001280000 is about 1913.0477733764.

The spelling of 7001280000 in words is "seven billion, one million, two hundred eighty thousand".