497445768 has 24 divisors (see below), whose sum is σ = 1347249150. Its totient is φ = 165815232.

The previous prime is 497445763. The next prime is 497445769. The reversal of 497445768 is 867544794.

497445768 is a `hidden beast` number, since 497 + 44 + 57 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 497379204 + 66564 = 22302^2 + 258^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×497445768² = 494904584202219648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (497445763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3454413 + ... + 3454556.

Almost surely, 2^497445768 is an apocalyptic number.

It is an amenable number.

497445768 is an abundant number, since it is smaller than the sum of its proper divisors (849803382).

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

497445768 is a wasteful number, since it uses less digits than its factorization.

497445768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6908981 (or 6908974 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 497445768 is about 22303.4922826001. The cubic root of 497445768 is about 792.3466878279.

The spelling of 497445768 in words is "four hundred ninety-seven million, four hundred forty-five thousand, seven hundred sixty-eight".