675321605 has 8 divisors (see below), whose sum is σ = 926155392. Its totient is φ = 463077648.

The previous prime is 675321571. The next prime is 675321641. The reversal of 675321605 is 506123576.

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 675321605 - 2¹⁶ = 675256069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 19294903 = 675321605 / (6 + 7 + 5 + 3 + 2 + 1 + 6 + 0 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9647417 + ... + 9647486.

It is an arithmetic number, because the mean of its divisors is an integer number (115769424).

Almost surely, 2^675321605 is an apocalyptic number.

It is an amenable number.

675321605 is a deficient number, since it is larger than the sum of its proper divisors (250833787).

675321605 is a wasteful number, since it uses less digits than its factorization.

675321605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19294915.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 675321605 is about 25986.9506675947. The cubic root of 675321605 is about 877.3446147106.

The spelling of 675321605 in words is "six hundred seventy-five million, three hundred twenty-one thousand, six hundred five".