679374738 has 48 divisors (see below), whose sum is σ = 1693598400. Its totient is φ = 192799008.

The previous prime is 679374737. The next prime is 679374749. The reversal of 679374738 is 837473976.

It is a happy number.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (679374733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 681 + ... + 36867.

It is an arithmetic number, because the mean of its divisors is an integer number (35283300).

Almost surely, 2^679374738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679374738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846799200).

679374738 is an abundant number, since it is smaller than the sum of its proper divisors (1014223662).

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

679374738 is a wasteful number, since it uses less digits than its factorization.

679374738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36351 (or 36348 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The square root of 679374738 is about 26064.8180120253. The cubic root of 679374738 is about 879.0963252582.

The spelling of 679374738 in words is "six hundred seventy-nine million, three hundred seventy-four thousand, seven hundred thirty-eight".