684848573 has 4 divisors (see below), whose sum is σ = 700775328. Its totient is φ = 668921820.

The previous prime is 684848561. The next prime is 684848603. The reversal of 684848573 is 375848486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 684848573 - 2⁸ = 684848317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684848513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7963313 + ... + 7963398.

It is an arithmetic number, because the mean of its divisors is an integer number (175193832).

Almost surely, 2^684848573 is an apocalyptic number.

It is an amenable number.

684848573 is a deficient number, since it is larger than the sum of its proper divisors (15926755).

684848573 is a wasteful number, since it uses less digits than its factorization.

684848573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15926754.

The product of its digits is 5160960, while the sum is 53.

The square root of 684848573 is about 26169.6116325787. The cubic root of 684848573 is about 881.4510208019.

The spelling of 684848573 in words is "six hundred eighty-four million, eight hundred forty-eight thousand, five hundred seventy-three".