491714972 has 24 divisors (see below), whose sum is σ = 983944416. Its totient is φ = 210624768.

The previous prime is 491714957. The next prime is 491714989. The reversal of 491714972 is 279417194.

It is a super-2 number, since 2×491714972² = 483567227377921568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72728 + ... + 79200.

It is an arithmetic number, because the mean of its divisors is an integer number (40997684).

Almost surely, 2^491714972 is an apocalyptic number.

It is an amenable number.

491714972 is an abundant number, since it is smaller than the sum of its proper divisors (492229444).

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

491714972 is a wasteful number, since it uses less digits than its factorization.

491714972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197 (or 9195 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 491714972 is about 22174.6470546884. The cubic root of 491714972 is about 789.2921994489.

The spelling of 491714972 in words is "four hundred ninety-one million, seven hundred fourteen thousand, nine hundred seventy-two".