492687073 has 4 divisors (see below), whose sum is σ = 492797700. Its totient is φ = 492576448.

The previous prime is 492687067. The next prime is 492687089. The reversal of 492687073 is 370786294.

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

It can be written as a sum of positive squares in 2 ways, for example, as 393943104 + 98743969 = 19848^2 + 9937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492687073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492687053) 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, 48340 + ... + 57637.

It is an arithmetic number, because the mean of its divisors is an integer number (123199425).

Almost surely, 2^492687073 is an apocalyptic number.

It is an amenable number.

492687073 is a deficient number, since it is larger than the sum of its proper divisors (110627).

492687073 is a wasteful number, since it uses less digits than its factorization.

492687073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110626.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 492687073 is about 22196.5554309672. Note that the first 3 decimals coincide. The cubic root of 492687073 is about 789.8119901899.

The spelling of 492687073 in words is "four hundred ninety-two million, six hundred eighty-seven thousand, seventy-three".