490745767 has 4 divisors (see below), whose sum is σ = 490817296. Its totient is φ = 490674240.

The previous prime is 490745747. The next prime is 490745777. The reversal of 490745767 is 767547094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 490745767 - 2²³ = 482357159 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 490745767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490745747) 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, 24234 + ... + 39607.

It is an arithmetic number, because the mean of its divisors is an integer number (122704324).

Almost surely, 2^490745767 is an apocalyptic number.

490745767 is a deficient number, since it is larger than the sum of its proper divisors (71529).

490745767 is an equidigital number, since it uses as much as digits as its factorization.

490745767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71528.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The square root of 490745767 is about 22152.7823760357. The cubic root of 490745767 is about 788.7732747637.

The spelling of 490745767 in words is "four hundred ninety million, seven hundred forty-five thousand, seven hundred sixty-seven".