7131257760 has 192 divisors, whose sum is σ = 25351159680. Its totient is φ = 1669140480.

The previous prime is 7131257681. The next prime is 7131257779. The reversal of 7131257760 is 677521317.

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, 129834 + ... + 176406.

It is an arithmetic number, because the mean of its divisors is an integer number (132037290).

Almost surely, 2^7131257760 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 7131257760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12675579840).

7131257760 is an abundant number, since it is smaller than the sum of its proper divisors (18219901920).

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

7131257760 is a wasteful number, since it uses less digits than its factorization.

7131257760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46631 (or 46623 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 7131257760 is about 84446.7747163857. The cubic root of 7131257760 is about 1924.8137457395.

The spelling of 7131257760 in words is "seven billion, one hundred thirty-one million, two hundred fifty-seven thousand, seven hundred sixty".