7407607261 has 2 divisors, whose sum is σ = 7407607262. Its totient is φ = 7407607260.

The previous prime is 7407607231. The next prime is 7407607271. The reversal of 7407607261 is 1627067047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6910763161 + 496844100 = 83131^2 + 22290^2 .

It is a cyclic number.

It is not a de Polignac number, because 7407607261 - 2⁷ = 7407607133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7407607231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3703803630 + 3703803631.

It is an arithmetic number, because the mean of its divisors is an integer number (3703803631).

Almost surely, 2^7407607261 is an apocalyptic number.

It is an amenable number.

7407607261 is a deficient number, since it is larger than the sum of its proper divisors (1).

7407607261 is an equidigital number, since it uses as much as digits as its factorization.

7407607261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 7407607261 is about 86067.4576190095. The cubic root of 7407607261 is about 1949.3626899144.

The spelling of 7407607261 in words is "seven billion, four hundred seven million, six hundred seven thousand, two hundred sixty-one".