678034370 has 16 divisors (see below), whose sum is σ = 1314343800. Its totient is φ = 250351104.

The previous prime is 678034321. The next prime is 678034373. The reversal of 678034370 is 73430876.

It can be written as a sum of positive squares in 4 ways, for example, as 402042601 + 275991769 = 20051^2 + 16613^2 .

It is not an unprimeable number, because it can be changed into a prime (678034373) 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, 2607695 + ... + 2607954.

Almost surely, 2^678034370 is an apocalyptic number.

678034370 is a deficient number, since it is larger than the sum of its proper divisors (636309430).

678034370 is a wasteful number, since it uses less digits than its factorization.

678034370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5215669.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 678034370 is about 26039.0931101680. The cubic root of 678034370 is about 878.5178088261.

The spelling of 678034370 in words is "six hundred seventy-eight million, thirty-four thousand, three hundred seventy".