679704481 has 16 divisors (see below), whose sum is σ = 720299520. Its totient is φ = 640506240.

The previous prime is 679704479. The next prime is 679704503. The reversal of 679704481 is 184407976.

It is a cyclic number.

It is not a de Polignac number, because 679704481 - 2¹ = 679704479 is a prime.

It is a super-2 number, since 2×679704481² = 923996362982958722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679704281) 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, 183015 + ... + 186691.

It is an arithmetic number, because the mean of its divisors is an integer number (45018720).

Almost surely, 2^679704481 is an apocalyptic number.

It is an amenable number.

679704481 is a deficient number, since it is larger than the sum of its proper divisors (40595039).

679704481 is a wasteful number, since it uses less digits than its factorization.

679704481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 679704481 is about 26071.1426868866. The cubic root of 679704481 is about 879.2385290415.

The spelling of 679704481 in words is "six hundred seventy-nine million, seven hundred four thousand, four hundred eighty-one".