974216717 has 2 divisors, whose sum is σ = 974216718. Its totient is φ = 974216716.

The previous prime is 974216699. The next prime is 974216723. The reversal of 974216717 is 717612479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 780978916 + 193237801 = 27946^2 + 13901^2 .

It is a cyclic number.

It is not a de Polignac number, because 974216717 - 2⁶ = 974216653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974216767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487108358 + 487108359.

It is an arithmetic number, because the mean of its divisors is an integer number (487108359).

Almost surely, 2^974216717 is an apocalyptic number.

It is an amenable number.

974216717 is a deficient number, since it is larger than the sum of its proper divisors (1).

974216717 is an equidigital number, since it uses as much as digits as its factorization.

974216717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 44.

The square root of 974216717 is about 31212.4449058384. Note that the first 3 decimals coincide. The cubic root of 974216717 is about 991.3306315751.

The spelling of 974216717 in words is "nine hundred seventy-four million, two hundred sixteen thousand, seven hundred seventeen".