812162748 has 24 divisors (see below), whose sum is σ = 1960393680. Its totient is φ = 261385600.

The previous prime is 812162717. The next prime is 812162759. The reversal of 812162748 is 847261218.

It is a happy number.

812162748 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166553 + ... + 1167248.

It is an arithmetic number, because the mean of its divisors is an integer number (81683070).

Almost surely, 2^812162748 is an apocalyptic number.

It is an amenable number.

812162748 is an abundant number, since it is smaller than the sum of its proper divisors (1148230932).

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

812162748 is a wasteful number, since it uses less digits than its factorization.

812162748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333837 (or 2333835 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 812162748 is about 28498.4692220477. The cubic root of 812162748 is about 932.9986639674.

The spelling of 812162748 in words is "eight hundred twelve million, one hundred sixty-two thousand, seven hundred forty-eight".