679374381 has 16 divisors (see below), whose sum is σ = 1036934784. Its totient is φ = 387577344.

The previous prime is 679374347. The next prime is 679374401. The reversal of 679374381 is 183473976.

It is not a de Polignac number, because 679374381 - 2¹⁵ = 679341613 is a prime.

It is a super-2 number, since 2×679374381² = 923099099118266322, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 679374381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679374341) 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 15 ways as a sum of consecutive naturals, for example, 13260 + ... + 39173.

It is an arithmetic number, because the mean of its divisors is an integer number (64808424).

Almost surely, 2^679374381 is an apocalyptic number.

It is an amenable number.

679374381 is a deficient number, since it is larger than the sum of its proper divisors (357560403).

679374381 is a wasteful number, since it uses less digits than its factorization.

679374381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53060.

The product of its digits is 762048, while the sum is 48.

The square root of 679374381 is about 26064.8111637127. The cubic root of 679374381 is about 879.0961712748.

The spelling of 679374381 in words is "six hundred seventy-nine million, three hundred seventy-four thousand, three hundred eighty-one".