812367432 has 36 divisors (see below), whose sum is σ = 2200816995. Its totient is φ = 270708528.

The previous prime is 812367419. The next prime is 812367443. The reversal of 812367432 is 234763218.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

812367432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 406183716 + 406183716 = 20154^2 + 20154^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20154.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 240169 + ... + 243527.

Almost surely, 2^812367432 is an apocalyptic number.

It is an amenable number.

812367432 is an abundant number, since it is smaller than the sum of its proper divisors (1388449563).

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

812367432 is an equidigital number, since it uses as much as digits as its factorization.

812367432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6730 (or 3364 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 812367432 is about 28502.0601360674. The cubic root of 812367432 is about 933.0770365425.

The spelling of 812367432 in words is "eight hundred twelve million, three hundred sixty-seven thousand, four hundred thirty-two".