491762674 has 16 divisors (see below), whose sum is σ = 836196480. Its totient is φ = 215021520.

The previous prime is 491762627. The next prime is 491762681. The reversal of 491762674 is 476267194.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 497242 + ... + 498229.

It is an arithmetic number, because the mean of its divisors is an integer number (52262280).

Almost surely, 2^491762674 is an apocalyptic number.

491762674 is a deficient number, since it is larger than the sum of its proper divisors (344433806).

491762674 is a wasteful number, since it uses less digits than its factorization.

491762674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995505.

The product of its digits is 508032, while the sum is 46.

The square root of 491762674 is about 22175.7226263317. The cubic root of 491762674 is about 789.3177220932.

The spelling of 491762674 in words is "four hundred ninety-one million, seven hundred sixty-two thousand, six hundred seventy-four".