675640772 has 12 divisors (see below), whose sum is σ = 1185117696. Its totient is φ = 337035720.

The previous prime is 675640739. The next prime is 675640783. The reversal of 675640772 is 277046576.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194228 + ... + 197675.

It is an arithmetic number, because the mean of its divisors is an integer number (98759808).

Almost surely, 2^675640772 is an apocalyptic number.

It is an amenable number.

675640772 is a deficient number, since it is larger than the sum of its proper divisors (509476924).

675640772 is a wasteful number, since it uses less digits than its factorization.

675640772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392338 (or 392336 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 44.

The square root of 675640772 is about 25993.0908512243. The cubic root of 675640772 is about 877.4828082984.

The spelling of 675640772 in words is "six hundred seventy-five million, six hundred forty thousand, seven hundred seventy-two".