7061304861 has 18 divisors (see below), whose sum is σ = 11044607418. Its totient is φ = 4345417440.

The previous prime is 7061304857. The next prime is 7061304941. The reversal of 7061304861 is 1684031607.

It can be written as a sum of positive squares in 3 ways, for example, as 16892100 + 7044412761 = 4110^2 + 83931^2 .

It is not a de Polignac number, because 7061304861 - 2² = 7061304857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7061304461) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2319750 + ... + 2322791.

It is an arithmetic number, because the mean of its divisors is an integer number (613589301).

Almost surely, 2^7061304861 is an apocalyptic number.

It is an amenable number.

7061304861 is a deficient number, since it is larger than the sum of its proper divisors (3983302557).

7061304861 is a wasteful number, since it uses less digits than its factorization.

7061304861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642573 (or 4642557 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7061304861 is about 84031.5706208089. The cubic root of 7061304861 is about 1918.4993392795.

The spelling of 7061304861 in words is "seven billion, sixty-one million, three hundred four thousand, eight hundred sixty-one".