675296728 has 8 divisors (see below), whose sum is σ = 1266181380. Its totient is φ = 337648360.

The previous prime is 675296723. The next prime is 675296759. The reversal of 675296728 is 827692576.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×675296728³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675296723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42206038 + ... + 42206053.

Almost surely, 2^675296728 is an apocalyptic number.

It is an amenable number.

675296728 is a deficient number, since it is larger than the sum of its proper divisors (590884652).

675296728 is a wasteful number, since it uses less digits than its factorization.

675296728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84412097 (or 84412093 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The square root of 675296728 is about 25986.4720191103. The cubic root of 675296728 is about 877.3338415867. Note that the first 3 decimals are identical.

The spelling of 675296728 in words is "six hundred seventy-five million, two hundred ninety-six thousand, seven hundred twenty-eight".