494722771 has 4 divisors (see below), whose sum is σ = 496471192. Its totient is φ = 492974352.

The previous prime is 494722759. The next prime is 494722777. The reversal of 494722771 is 177227494.

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 494722771 - 2⁷ = 494722643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494722777) 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, 873786 + ... + 874351.

It is an arithmetic number, because the mean of its divisors is an integer number (124117798).

Almost surely, 2^494722771 is an apocalyptic number.

494722771 is a deficient number, since it is larger than the sum of its proper divisors (1748421).

494722771 is a wasteful number, since it uses less digits than its factorization.

494722771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748420.

The product of its digits is 197568, while the sum is 43.

The square root of 494722771 is about 22242.3643302595. The cubic root of 494722771 is about 790.8982844026.

The spelling of 494722771 in words is "four hundred ninety-four million, seven hundred twenty-two thousand, seven hundred seventy-one".