675781216 has 48 divisors (see below), whose sum is σ = 1514515968. Its totient is φ = 293814400.

The previous prime is 675781199. The next prime is 675781231. The reversal of 675781216 is 612187576.

It is a super-3 number, since 3×675781216³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33640 + ... + 49831.

It is an arithmetic number, because the mean of its divisors is an integer number (31552416).

Almost surely, 2^675781216 is an apocalyptic number.

It is an amenable number.

675781216 is an abundant number, since it is smaller than the sum of its proper divisors (838734752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

675781216 is a wasteful number, since it uses less digits than its factorization.

675781216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83515 (or 83507 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 675781216 is about 25995.7922749048. The cubic root of 675781216 is about 877.5436042433.

The spelling of 675781216 in words is "six hundred seventy-five million, seven hundred eighty-one thousand, two hundred sixteen".