717449051 has 12 divisors (see below), whose sum is σ = 822891216. Its totient is φ = 623866320.

The previous prime is 717449041. The next prime is 717449053. The reversal of 717449051 is 150944717.

It is not a de Polignac number, because 717449051 - 2²² = 713254747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 717448996 and 717449014.

It is not an unprimeable number, because it can be changed into a prime (717449053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126116 + ... + 131681.

It is an arithmetic number, because the mean of its divisors is an integer number (68574268).

Almost surely, 2^717449051 is an apocalyptic number.

717449051 is a deficient number, since it is larger than the sum of its proper divisors (105442165).

717449051 is a wasteful number, since it uses less digits than its factorization.

717449051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257842 (or 257831 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 717449051 is about 26785.2394239813. The cubic root of 717449051 is about 895.2211935214.

The spelling of 717449051 in words is "seven hundred seventeen million, four hundred forty-nine thousand, fifty-one".