812731360 has 48 divisors (see below), whose sum is σ = 2194377696. Its totient is φ = 278650368.

The previous prime is 812731343. The next prime is 812731363. The reversal of 812731360 is 63137218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812731363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361707 + ... + 363946.

It is an arithmetic number, because the mean of its divisors is an integer number (45716202).

Almost surely, 2^812731360 is an apocalyptic number.

812731360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

812731360 is an abundant number, since it is smaller than the sum of its proper divisors (1381646336).

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

812731360 is a wasteful number, since it uses less digits than its factorization.

812731360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725675 (or 725667 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 812731360 is about 28508.4436614839. The cubic root of 812731360 is about 933.2163504175.

Adding to 812731360 its reverse (63137218), we get a palindrome (875868578).

The spelling of 812731360 in words is "eight hundred twelve million, seven hundred thirty-one thousand, three hundred sixty".