497256766 has 8 divisors (see below), whose sum is σ = 789760800. Its totient is φ = 234003168.

The previous prime is 497256763. The next prime is 497256769. The reversal of 497256766 is 667652794.

It is an interprime number because it is at equal distance from previous prime (497256763) and next prime (497256769).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497256761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7312566 + ... + 7312633.

It is an arithmetic number, because the mean of its divisors is an integer number (98720100).

Almost surely, 2^497256766 is an apocalyptic number.

497256766 is a deficient number, since it is larger than the sum of its proper divisors (292504034).

497256766 is a wasteful number, since it uses less digits than its factorization.

497256766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14625218.

The product of its digits is 3810240, while the sum is 52.

The square root of 497256766 is about 22299.2548305992. The cubic root of 497256766 is about 792.2463257459.

The spelling of 497256766 in words is "four hundred ninety-seven million, two hundred fifty-six thousand, seven hundred sixty-six".