812065344 has 56 divisors (see below), whose sum is σ = 2206678848. Its totient is φ = 263370240.

The previous prime is 812065327. The next prime is 812065349. The reversal of 812065344 is 443560218.

It is not an unprimeable number, because it can be changed into a prime (812065349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50052 + ... + 64259.

Almost surely, 2^812065344 is an apocalyptic number.

It is an amenable number.

812065344 is an abundant number, since it is smaller than the sum of its proper divisors (1394613504).

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

812065344 is a wasteful number, since it uses less digits than its factorization.

812065344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114363 (or 114353 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 812065344 is about 28496.7602369111. The cubic root of 812065344 is about 932.9613637935.

The spelling of 812065344 in words is "eight hundred twelve million, sixty-five thousand, three hundred forty-four".