814742826 has 8 divisors (see below), whose sum is σ = 1629485664. Its totient is φ = 271580940.

The previous prime is 814742809. The next prime is 814742843. The reversal of 814742826 is 628247418.

It is an interprime number because it is at equal distance from previous prime (814742809) and next prime (814742843).

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

814742826 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67895230 + ... + 67895241.

It is an arithmetic number, because the mean of its divisors is an integer number (203685708).

Almost surely, 2^814742826 is an apocalyptic number.

814742826 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.

814742826 is a wasteful number, since it uses less digits than its factorization.

814742826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135790476.

The product of its digits is 172032, while the sum is 42.

The square root of 814742826 is about 28543.7002857023. The cubic root of 814742826 is about 933.9856027506.

The spelling of 814742826 in words is "eight hundred fourteen million, seven hundred forty-two thousand, eight hundred twenty-six".