676670609 has 8 divisors (see below), whose sum is σ = 697915008. Its totient is φ = 655711600.

The previous prime is 676670581. The next prime is 676670623. The reversal of 676670609 is 906076676.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 676670609 - 2²⁴ = 659893393 is a prime.

It is a super-2 number, since 2×676670609² = 915766226168861762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676670509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66527 + ... + 76020.

It is an arithmetic number, because the mean of its divisors is an integer number (87239376).

Almost surely, 2^676670609 is an apocalyptic number.

It is an amenable number.

676670609 is a deficient number, since it is larger than the sum of its proper divisors (21244399).

676670609 is a wasteful number, since it uses less digits than its factorization.

676670609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142695.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 676670609 is about 26012.8931301384. The cubic root of 676670609 is about 877.9284127062.

The spelling of 676670609 in words is "six hundred seventy-six million, six hundred seventy thousand, six hundred nine".