679427361 has 6 divisors (see below), whose sum is σ = 981395090. Its totient is φ = 452951568.

The previous prime is 679427317. The next prime is 679427363. The reversal of 679427361 is 163724976.

It can be written as a sum of positive squares in only one way, i.e., 627803136 + 51624225 = 25056^2 + 7185^2 .

It is not a de Polignac number, because 679427361 - 2⁶ = 679427297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (679427363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37745956 + ... + 37745973.

Almost surely, 2^679427361 is an apocalyptic number.

It is an amenable number.

679427361 is a deficient number, since it is larger than the sum of its proper divisors (301967729).

679427361 is a wasteful number, since it uses less digits than its factorization.

679427361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75491935 (or 75491932 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 679427361 is about 26065.8274566529. The cubic root of 679427361 is about 879.1190223496.

The spelling of 679427361 in words is "six hundred seventy-nine million, four hundred twenty-seven thousand, three hundred sixty-one".