7860728460 has 96 divisors (see below), whose sum is σ = 23876459712. Its totient is φ = 1920798720.

The previous prime is 7860728347. The next prime is 7860728479. The reversal of 7860728460 is 648270687.

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, 70080 + ... + 143640.

It is an arithmetic number, because the mean of its divisors is an integer number (248713122).

Almost surely, 2^7860728460 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 7860728460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11938229856).

7860728460 is an abundant number, since it is smaller than the sum of its proper divisors (16015731252).

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

7860728460 is a wasteful number, since it uses less digits than its factorization.

7860728460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73723 (or 73721 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 7860728460 is about 88660.7492636962. The cubic root of 7860728460 is about 1988.3260301259.

The spelling of 7860728460 in words is "seven billion, eight hundred sixty million, seven hundred twenty-eight thousand, four hundred sixty".