675272305 has 4 divisors (see below), whose sum is σ = 810326772. Its totient is φ = 540217840.

The previous prime is 675272303. The next prime is 675272333. The reversal of 675272305 is 503272576.

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

It can be written as a sum of positive squares in 2 ways, for example, as 132894784 + 542377521 = 11528^2 + 23289^2 .

It is not a de Polignac number, because 675272305 - 2¹ = 675272303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675272303) 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 3 ways as a sum of consecutive naturals, for example, 67527226 + ... + 67527235.

It is an arithmetic number, because the mean of its divisors is an integer number (202581693).

Almost surely, 2^675272305 is an apocalyptic number.

It is an amenable number.

675272305 is a deficient number, since it is larger than the sum of its proper divisors (135054467).

675272305 is a wasteful number, since it uses less digits than its factorization.

675272305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135054466.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 675272305 is about 25986.0020972831. The cubic root of 675272305 is about 877.3232648127.

The spelling of 675272305 in words is "six hundred seventy-five million, two hundred seventy-two thousand, three hundred five".