497743447 has 16 divisors (see below), whose sum is σ = 521579520. Its totient is φ = 474610752.

The previous prime is 497743439. The next prime is 497743481. The reversal of 497743447 is 744347794.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 497743447 - 2³ = 497743439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 497743447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497743487) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 316858 + ... + 318424.

It is an arithmetic number, because the mean of its divisors is an integer number (32598720).

Almost surely, 2^497743447 is an apocalyptic number.

497743447 is a deficient number, since it is larger than the sum of its proper divisors (23836073).

497743447 is a wasteful number, since it uses less digits than its factorization.

497743447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782.

The product of its digits is 2370816, while the sum is 49.

The square root of 497743447 is about 22310.1646564968. The cubic root of 497743447 is about 792.5047070212.

The spelling of 497743447 in words is "four hundred ninety-seven million, seven hundred forty-three thousand, four hundred forty-seven".