812494704 has 80 divisors (see below), whose sum is σ = 2457342720. Its totient is φ = 226475520.

The previous prime is 812494703. The next prime is 812494721. The reversal of 812494704 is 407494218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812494703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15714 + ... + 43265.

It is an arithmetic number, because the mean of its divisors is an integer number (30716784).

Almost surely, 2^812494704 is an apocalyptic number.

812494704 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

812494704 is an abundant number, since it is smaller than the sum of its proper divisors (1644848016).

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

812494704 is a wasteful number, since it uses less digits than its factorization.

812494704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59038 (or 59032 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 812494704 is about 28504.2927293417. The cubic root of 812494704 is about 933.1257617764.

The spelling of 812494704 in words is "eight hundred twelve million, four hundred ninety-four thousand, seven hundred four".