7256370660 has 192 divisors, whose sum is σ = 25379149824. Its totient is φ = 1504972800.

The previous prime is 7256370659. The next prime is 7256370673. The reversal of 7256370660 is 660736527.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3191284 + ... + 3193556.

It is an arithmetic number, because the mean of its divisors is an integer number (132183072).

Almost surely, 2^7256370660 is an apocalyptic number.

7256370660 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7256370660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12689574912).

7256370660 is an abundant number, since it is smaller than the sum of its proper divisors (18122779164).

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

7256370660 is a wasteful number, since it uses less digits than its factorization.

7256370660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994 (or 2992 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 7256370660 is about 85184.3334187690. Note that the first 3 decimals coincide. The cubic root of 7256370660 is about 1936.0050517962.

The spelling of 7256370660 in words is "seven billion, two hundred fifty-six million, three hundred seventy thousand, six hundred sixty".