1487470717 has 2 divisors, whose sum is σ = 1487470718. Its totient is φ = 1487470716.

The previous prime is 1487470687. The next prime is 1487470723. The reversal of 1487470717 is 7170747841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1286369956 + 201100761 = 35866^2 + 14181^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1487470717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1487471717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743735358 + 743735359.

It is an arithmetic number, because the mean of its divisors is an integer number (743735359).

Almost surely, 2^1487470717 is an apocalyptic number.

It is an amenable number.

1487470717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487470717 is an equidigital number, since it uses as much as digits as its factorization.

1487470717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 307328, while the sum is 46.

The square root of 1487470717 is about 38567.7419224927. The cubic root of 1487470717 is about 1141.5181162169.

The spelling of 1487470717 in words is "one billion, four hundred eighty-seven million, four hundred seventy thousand, seven hundred seventeen".