491732716 has 12 divisors (see below), whose sum is σ = 861383880. Its totient is φ = 245623040.

The previous prime is 491732713. The next prime is 491732719. The reversal of 491732716 is 617237194.

It is an interprime number because it is at equal distance from previous prime (491732713) and next prime (491732719).

It is not an unprimeable number, because it can be changed into a prime (491732713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56245 + ... + 64396.

It is an arithmetic number, because the mean of its divisors is an integer number (71781990).

Almost surely, 2^491732716 is an apocalyptic number.

It is an amenable number.

491732716 is a deficient number, since it is larger than the sum of its proper divisors (369651164).

491732716 is a wasteful number, since it uses less digits than its factorization.

491732716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121664 (or 121662 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 491732716 is about 22175.0471476387. The cubic root of 491732716 is about 789.3016934533.

The spelling of 491732716 in words is "four hundred ninety-one million, seven hundred thirty-two thousand, seven hundred sixteen".