673656252 has 24 divisors (see below), whose sum is σ = 1575378000. Its totient is φ = 224050176.

The previous prime is 673656251. The next prime is 673656253. The reversal of 673656252 is 252656376.

673656252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (673656251) and next prime (673656253).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673656251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57127 + ... + 67902.

It is an arithmetic number, because the mean of its divisors is an integer number (65640750).

Almost surely, 2^673656252 is an apocalyptic number.

It is an amenable number.

673656252 is an abundant number, since it is smaller than the sum of its proper divisors (901721748).

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

673656252 is a wasteful number, since it uses less digits than its factorization.

673656252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125485 (or 125483 counting only the distinct ones).

The product of its digits is 453600, while the sum is 42.

The square root of 673656252 is about 25954.8887880492. Note that the first 3 decimals coincide. The cubic root of 673656252 is about 876.6228395123.

The spelling of 673656252 in words is "six hundred seventy-three million, six hundred fifty-six thousand, two hundred fifty-two".