812747694 has 32 divisors (see below), whose sum is σ = 1778978304. Its totient is φ = 245494080.

The previous prime is 812747693. The next prime is 812747701. The reversal of 812747694 is 496747218.

812747694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812747693) 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, 987 + ... + 40329.

It is an arithmetic number, because the mean of its divisors is an integer number (55593072).

Almost surely, 2^812747694 is an apocalyptic number.

812747694 is an abundant number, since it is smaller than the sum of its proper divisors (966230610).

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

812747694 is a wasteful number, since it uses less digits than its factorization.

812747694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39672.

The product of its digits is 677376, while the sum is 48.

The square root of 812747694 is about 28508.7301365740. The cubic root of 812747694 is about 933.2226021978. Note that the first 3 decimals are identical.

The spelling of 812747694 in words is "eight hundred twelve million, seven hundred forty-seven thousand, six hundred ninety-four".