676712909 has 8 divisors (see below), whose sum is σ = 691787520. Its totient is φ = 661666576.

The previous prime is 676712903. The next prime is 676712951. The reversal of 676712909 is 909217676.

676712909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 676712909 - 2⁸ = 676712653 is a prime.

It is a super-2 number, since 2×676712909² = 915880722414484562, 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 a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676712903) 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, 45632 + ... + 58614.

It is an arithmetic number, because the mean of its divisors is an integer number (86473440).

Almost surely, 2^676712909 is an apocalyptic number.

It is an amenable number.

676712909 is a deficient number, since it is larger than the sum of its proper divisors (15074611).

676712909 is a wasteful number, since it uses less digits than its factorization.

676712909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14139.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 676712909 is about 26013.7061757836. The cubic root of 676712909 is about 877.9467059977.

The spelling of 676712909 in words is "six hundred seventy-six million, seven hundred twelve thousand, nine hundred nine".