7126761280 has 28 divisors (see below), whose sum is σ = 16970601060. Its totient is φ = 2850704384.

The previous prime is 7126761269. The next prime is 7126761283. The reversal of 7126761280 is 821676217.

It can be written as a sum of positive squares in 2 ways, for example, as 976437504 + 6150323776 = 31248^2 + 78424^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7126761283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11135245 + ... + 11135884.

It is an arithmetic number, because the mean of its divisors is an integer number (606092895).

Almost surely, 2^7126761280 is an apocalyptic number.

It is an amenable number.

7126761280 is an abundant number, since it is smaller than the sum of its proper divisors (9843839780).

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

7126761280 is a wasteful number, since it uses less digits than its factorization.

7126761280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22271146 (or 22271136 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 7126761280 is about 84420.1473583173. The cubic root of 7126761280 is about 1924.4091090214.

The spelling of 7126761280 in words is "seven billion, one hundred twenty-six million, seven hundred sixty-one thousand, two hundred eighty".