675671321 has 8 divisors (see below), whose sum is σ = 728409024. Its totient is φ = 623042640.

The previous prime is 675671317. The next prime is 675671333. The reversal of 675671321 is 123176576.

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 675671321 - 2² = 675671317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675671351) 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, 14141 + ... + 39386.

It is an arithmetic number, because the mean of its divisors is an integer number (91051128).

Almost surely, 2^675671321 is an apocalyptic number.

It is an amenable number.

675671321 is a deficient number, since it is larger than the sum of its proper divisors (52737703).

675671321 is a wasteful number, since it uses less digits than its factorization.

675671321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54511.

The product of its digits is 52920, while the sum is 38.

The square root of 675671321 is about 25993.6784815078. The cubic root of 675671321 is about 877.4960331853.

The spelling of 675671321 in words is "six hundred seventy-five million, six hundred seventy-one thousand, three hundred twenty-one".