494072665 has 4 divisors (see below), whose sum is σ = 592887204. Its totient is φ = 395258128.

The previous prime is 494072659. The next prime is 494072671. The reversal of 494072665 is 566270494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 566270494 = 2 ⋅283135247.

It is an interprime number because it is at equal distance from previous prime (494072659) and next prime (494072671).

It can be written as a sum of positive squares in 2 ways, for example, as 370062169 + 124010496 = 19237^2 + 11136^2 .

It is a cyclic number.

It is not a de Polignac number, because 494072665 - 2⁵ = 494072633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49407262 + ... + 49407271.

It is an arithmetic number, because the mean of its divisors is an integer number (148221801).

Almost surely, 2^494072665 is an apocalyptic number.

It is an amenable number.

494072665 is a deficient number, since it is larger than the sum of its proper divisors (98814539).

494072665 is an equidigital number, since it uses as much as digits as its factorization.

494072665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98814538.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 494072665 is about 22227.7453872407. The cubic root of 494072665 is about 790.5516976310.

The spelling of 494072665 in words is "four hundred ninety-four million, seventy-two thousand, six hundred sixty-five".