679673601 has 6 divisors (see below), whose sum is σ = 981750770. Its totient is φ = 453115728.

The previous prime is 679673593. The next prime is 679673611. The reversal of 679673601 is 106376976.

It can be written as a sum of positive squares in only one way, i.e., 635796225 + 43877376 = 25215^2 + 6624^2 .

It is not a de Polignac number, because 679673601 - 2³ = 679673593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679673611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37759636 + ... + 37759653.

Almost surely, 2^679673601 is an apocalyptic number.

It is an amenable number.

679673601 is a deficient number, since it is larger than the sum of its proper divisors (302077169).

679673601 is a wasteful number, since it uses less digits than its factorization.

679673601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75519295 (or 75519292 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 679673601 is about 26070.5504544879. The cubic root of 679673601 is about 879.2252137956.

The spelling of 679673601 in words is "six hundred seventy-nine million, six hundred seventy-three thousand, six hundred one".