818867274 has 8 divisors (see below), whose sum is σ = 1637734560. Its totient is φ = 272955756.

The previous prime is 818867261. The next prime is 818867279. The reversal of 818867274 is 472768818.

818867274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

818867274 is an admirable number.

It is a super-2 number, since 2×818867274² = 1341087224856382152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (818867279) 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, 68238934 + ... + 68238945.

It is an arithmetic number, because the mean of its divisors is an integer number (204716820).

Almost surely, 2^818867274 is an apocalyptic number.

818867274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

818867274 is a wasteful number, since it uses less digits than its factorization.

818867274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136477884.

The product of its digits is 1204224, while the sum is 51.

The square root of 818867274 is about 28615.8570376636. The cubic root of 818867274 is about 935.5589798124.

The spelling of 818867274 in words is "eight hundred eighteen million, eight hundred sixty-seven thousand, two hundred seventy-four".