683108172 has 18 divisors (see below), whose sum is σ = 1726745748. Its totient is φ = 227702712.

The previous prime is 683108143. The next prime is 683108189. The reversal of 683108172 is 271801386.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 18975227 = 683108172 / (6 + 8 + 3 + 1 + 0 + 8 + 1 + 7 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9487578 + ... + 9487649.

Almost surely, 2^683108172 is an apocalyptic number.

It is an amenable number.

683108172 is an abundant number, since it is smaller than the sum of its proper divisors (1043637576).

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

683108172 is a wasteful number, since it uses less digits than its factorization.

683108172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18975237 (or 18975232 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 683108172 is about 26136.3381520824. The cubic root of 683108172 is about 880.7037122480.

The spelling of 683108172 in words is "six hundred eighty-three million, one hundred eight thousand, one hundred seventy-two".