634716717 has 32 divisors (see below), whose sum is σ = 949432320. Its totient is φ = 375249600.

The previous prime is 634716697. The next prime is 634716739. The reversal of 634716717 is 717617436.

It is not a de Polignac number, because 634716717 - 2¹⁴ = 634700333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634716787) 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 in 31 ways as a sum of consecutive naturals, for example, 56467 + ... + 66767.

It is an arithmetic number, because the mean of its divisors is an integer number (29669760).

Almost surely, 2^634716717 is an apocalyptic number.

It is an amenable number.

634716717 is a deficient number, since it is larger than the sum of its proper divisors (314715603).

634716717 is a wasteful number, since it uses less digits than its factorization.

634716717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10393.

The product of its digits is 148176, while the sum is 42.

The square root of 634716717 is about 25193.5848382083. The cubic root of 634716717 is about 859.3959689464.

The spelling of 634716717 in words is "six hundred thirty-four million, seven hundred sixteen thousand, seven hundred seventeen".