812015472 has 40 divisors (see below), whose sum is σ = 2221103376. Its totient is φ = 254749696.

The previous prime is 812015443. The next prime is 812015473. The reversal of 812015472 is 274510218.

812015472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812015473) 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, 496743 + ... + 498374.

Almost surely, 2^812015472 is an apocalyptic number.

It is an amenable number.

812015472 is an abundant number, since it is smaller than the sum of its proper divisors (1409087904).

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

812015472 is a wasteful number, since it uses less digits than its factorization.

812015472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995145 (or 995139 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 812015472 is about 28495.8851766356. The cubic root of 812015472 is about 932.9422645088.

The spelling of 812015472 in words is "eight hundred twelve million, fifteen thousand, four hundred seventy-two".