675221477 has 8 divisors (see below), whose sum is σ = 775143936. Its totient is φ = 576164592.

The previous prime is 675221423. The next prime is 675221507. The reversal of 675221477 is 774122576.

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 675221477 - 2¹⁶ = 675155941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675221777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214718 + ... + 217839.

It is an arithmetic number, because the mean of its divisors is an integer number (96892992).

Almost surely, 2^675221477 is an apocalyptic number.

It is an amenable number.

675221477 is a deficient number, since it is larger than the sum of its proper divisors (99922459).

675221477 is a wasteful number, since it uses less digits than its factorization.

675221477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432787.

The product of its digits is 164640, while the sum is 41.

The square root of 675221477 is about 25985.0240908105. The cubic root of 675221477 is about 877.3012521098.

The spelling of 675221477 in words is "six hundred seventy-five million, two hundred twenty-one thousand, four hundred seventy-seven".