683621875 has 24 divisors (see below), whose sum is σ = 858601296. Its totient is φ = 544260000.

The previous prime is 683621831. The next prime is 683621903. The reversal of 683621875 is 578126386.

It is not a de Polignac number, because 683621875 - 2⁹ = 683621363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 883989 + ... + 884761.

It is an arithmetic number, because the mean of its divisors is an integer number (35775054).

Almost surely, 2^683621875 is an apocalyptic number.

683621875 is a deficient number, since it is larger than the sum of its proper divisors (174979421).

683621875 is an frugal number, since it uses more digits than its factorization.

683621875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1061 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 683621875 is about 26146.1636765320. The cubic root of 683621875 is about 880.9244224260.

The spelling of 683621875 in words is "six hundred eighty-three million, six hundred twenty-one thousand, eight hundred seventy-five".