812068481 has 8 divisors (see below), whose sum is σ = 928381440. Its totient is φ = 695831328.

The previous prime is 812068471. The next prime is 812068513. The reversal of 812068481 is 184860218.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-812068481 is a prime.

It is a super-2 number, since 2×812068481² = 1318910435667294722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (812068471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6245 + ... + 40781.

It is an arithmetic number, because the mean of its divisors is an integer number (116047680).

Almost surely, 2^812068481 is an apocalyptic number.

It is an amenable number.

812068481 is a deficient number, since it is larger than the sum of its proper divisors (116312959).

812068481 is a wasteful number, since it uses less digits than its factorization.

812068481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37903.

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 812068481 is about 28496.8152782026. The cubic root of 812068481 is about 932.9625651320.

The spelling of 812068481 in words is "eight hundred twelve million, sixty-eight thousand, four hundred eighty-one".