676317247 has 4 divisors (see below), whose sum is σ = 676790640. Its totient is φ = 675843856.

The previous prime is 676317223. The next prime is 676317253. The reversal of 676317247 is 742713676.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676317247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676317347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234547 + ... + 237412.

It is an arithmetic number, because the mean of its divisors is an integer number (169197660).

Almost surely, 2^676317247 is an apocalyptic number.

676317247 is a deficient number, since it is larger than the sum of its proper divisors (473393).

676317247 is a wasteful number, since it uses less digits than its factorization.

676317247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473392.

The product of its digits is 296352, while the sum is 43.

The square root of 676317247 is about 26006.1001882251. The cubic root of 676317247 is about 877.7755660320.

The spelling of 676317247 in words is "six hundred seventy-six million, three hundred seventeen thousand, two hundred forty-seven".