812736001 has 48 divisors (see below), whose sum is σ = 1104304320. Its totient is φ = 589680000.

The previous prime is 812735977. The next prime is 812736037. The reversal of 812736001 is 100637218.

It is not a de Polignac number, because 812736001 - 2⁷ = 812735873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (812736101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 624051 + ... + 625351.

It is an arithmetic number, because the mean of its divisors is an integer number (23006340).

Almost surely, 2^812736001 is an apocalyptic number.

It is an amenable number.

812736001 is a deficient number, since it is larger than the sum of its proper divisors (291568319).

812736001 is a wasteful number, since it uses less digits than its factorization.

812736001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 812736001 is about 28508.5250583049. The cubic root of 812736001 is about 933.2181267522.

The spelling of 812736001 in words is "eight hundred twelve million, seven hundred thirty-six thousand, one".