491790702 has 16 divisors (see below), whose sum is σ = 1059241680. Its totient is φ = 151320192.

The previous prime is 491790697. The next prime is 491790713. The reversal of 491790702 is 207097194.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

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, 3152427 + ... + 3152582.

It is an arithmetic number, because the mean of its divisors is an integer number (66202605).

Almost surely, 2^491790702 is an apocalyptic number.

491790702 is an abundant number, since it is smaller than the sum of its proper divisors (567450978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

491790702 is a wasteful number, since it uses less digits than its factorization.

491790702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305027.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 491790702 is about 22176.3545696762. The cubic root of 491790702 is about 789.3327175223.

The spelling of 491790702 in words is "four hundred ninety-one million, seven hundred ninety thousand, seven hundred two".