675763221 has 16 divisors (see below), whose sum is σ = 1031174144. Its totient is φ = 385610544.

The previous prime is 675763219. The next prime is 675763223. The reversal of 675763221 is 122367576.

It is an interprime number because it is at equal distance from previous prime (675763219) and next prime (675763223).

It is not a de Polignac number, because 675763221 - 2¹ = 675763219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 675763221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675763223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6865 + ... + 37398.

It is an arithmetic number, because the mean of its divisors is an integer number (64448384).

Almost surely, 2^675763221 is an apocalyptic number.

It is an amenable number.

675763221 is a deficient number, since it is larger than the sum of its proper divisors (355410923).

675763221 is a wasteful number, since it uses less digits than its factorization.

675763221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45000.

The product of its digits is 105840, while the sum is 39.

The square root of 675763221 is about 25995.4461588948. The cubic root of 675763221 is about 877.5358149683.

The spelling of 675763221 in words is "six hundred seventy-five million, seven hundred sixty-three thousand, two hundred twenty-one".