716734649 has 8 divisors (see below), whose sum is σ = 725733120. Its totient is φ = 707769216.

The previous prime is 716734639. The next prime is 716734657. The reversal of 716734649 is 946437617.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 716734649 - 2²⁸ = 448299193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716734619) 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 7 ways as a sum of consecutive naturals, for example, 36932 + ... + 52890.

It is an arithmetic number, because the mean of its divisors is an integer number (90716640).

Almost surely, 2^716734649 is an apocalyptic number.

It is an amenable number.

716734649 is a deficient number, since it is larger than the sum of its proper divisors (8998471).

716734649 is a wasteful number, since it uses less digits than its factorization.

716734649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16519.

The product of its digits is 762048, while the sum is 47.

The square root of 716734649 is about 26771.9003621334. The cubic root of 716734649 is about 894.9239551298.

The spelling of 716734649 in words is "seven hundred sixteen million, seven hundred thirty-four thousand, six hundred forty-nine".