684795970576 has 45 divisors (see below), whose sum is σ = 1332647592031. Its totient is φ = 340893546656.

The previous prime is 684795970561. The next prime is 684795970583. The reversal of 684795970576 is 675079597486.

The square root of 684795970576 is 827524.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 684795970499 and 684795970508.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1466372295 + ... + 1466372761.

Almost surely, 2^684795970576 is an apocalyptic number.

684795970576 is the 827524-th square number.

It is an amenable number.

684795970576 is a deficient number, since it is larger than the sum of its proper divisors (647851621455).

684795970576 is an frugal number, since it uses more digits than its factorization.

684795970576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 800150400, while the sum is 73.

The spelling of 684795970576 in words is "six hundred eighty-four billion, seven hundred ninety-five million, nine hundred seventy thousand, five hundred seventy-six".