494875757 has 4 divisors (see below), whose sum is σ = 499680480. Its totient is φ = 490071036.

The previous prime is 494875747. The next prime is 494875789. The reversal of 494875757 is 757578494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 757578494 = 2 ⋅378789247.

It is a cyclic number.

It is not a de Polignac number, because 494875757 - 2¹⁰ = 494874733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494875727) 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, 2402207 + ... + 2402412.

It is an arithmetic number, because the mean of its divisors is an integer number (124920120).

Almost surely, 2^494875757 is an apocalyptic number.

It is an amenable number.

494875757 is a deficient number, since it is larger than the sum of its proper divisors (4804723).

494875757 is a wasteful number, since it uses less digits than its factorization.

494875757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804722.

The product of its digits is 9878400, while the sum is 56.

The square root of 494875757 is about 22245.8031322764. The cubic root of 494875757 is about 790.9798006928.

The spelling of 494875757 in words is "four hundred ninety-four million, eight hundred seventy-five thousand, seven hundred fifty-seven".