684171044074 has 16 divisors (see below), whose sum is σ = 1173058878528. Its totient is φ = 293167603872.

The previous prime is 684171044071. The next prime is 684171044083. The reversal of 684171044074 is 470440171486.

It is not an unprimeable number, because it can be changed into a prime (684171044071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3958867 + ... + 4128070.

It is an arithmetic number, because the mean of its divisors is an integer number (73316179908).

Almost surely, 2^684171044074 is an apocalyptic number.

684171044074 is a deficient number, since it is larger than the sum of its proper divisors (488887834454).

684171044074 is a wasteful number, since it uses less digits than its factorization.

684171044074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8092989.

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 684171044074 in words is "six hundred eighty-four billion, one hundred seventy-one million, forty-four thousand, seventy-four".