740468849 has 2 divisors, whose sum is σ = 740468850. Its totient is φ = 740468848.

The previous prime is 740468819. The next prime is 740468863. The reversal of 740468849 is 948864047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 739840000 + 628849 = 27200^2 + 793^2 .

It is a cyclic number.

It is not a de Polignac number, because 740468849 - 2⁸ = 740468593 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 740468797 and 740468806.

It is not a weakly prime, because it can be changed into another prime (740468819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370234424 + 370234425.

It is an arithmetic number, because the mean of its divisors is an integer number (370234425).

Almost surely, 2^740468849 is an apocalyptic number.

It is an amenable number.

740468849 is a deficient number, since it is larger than the sum of its proper divisors (1).

740468849 is an equidigital number, since it uses as much as digits as its factorization.

740468849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 740468849 is about 27211.5572689253. The cubic root of 740468849 is about 904.6951544911.

The spelling of 740468849 in words is "seven hundred forty million, four hundred sixty-eight thousand, eight hundred forty-nine".