490672066 has 4 divisors (see below), whose sum is σ = 736008102. Its totient is φ = 245336032.

The previous prime is 490672033. The next prime is 490672067. The reversal of 490672066 is 660276094.

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

It can be written as a sum of positive squares in only one way, i.e., 358307041 + 132365025 = 18929^2 + 11505^2 .

It is not an unprimeable number, because it can be changed into a prime (490672067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122668015 + ... + 122668018.

Almost surely, 2^490672066 is an apocalyptic number.

490672066 is a deficient number, since it is larger than the sum of its proper divisors (245336036).

490672066 is a wasteful number, since it uses less digits than its factorization.

490672066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245336035.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 490672066 is about 22151.1188430743. The cubic root of 490672066 is about 788.7337863677.

The spelling of 490672066 in words is "four hundred ninety million, six hundred seventy-two thousand, sixty-six".