490724678 has 8 divisors (see below), whose sum is σ = 736435368. Its totient is φ = 245246224.

The previous prime is 490724671. The next prime is 490724681. The reversal of 490724678 is 876427094.

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 (490724671) 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 3 ways as a sum of consecutive naturals, for example, 52676 + ... + 61287.

It is an arithmetic number, because the mean of its divisors is an integer number (92054421).

Almost surely, 2^490724678 is an apocalyptic number.

490724678 is a deficient number, since it is larger than the sum of its proper divisors (245710690).

490724678 is a wasteful number, since it uses less digits than its factorization.

490724678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116118.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 490724678 is about 22152.3063810521. The cubic root of 490724678 is about 788.7619758530.

The spelling of 490724678 in words is "four hundred ninety million, seven hundred twenty-four thousand, six hundred seventy-eight".