684472503 has 16 divisors (see below), whose sum is σ = 1072181376. Its totient is φ = 382921440.

The previous prime is 684472501. The next prime is 684472517. The reversal of 684472503 is 305274486.

It is a happy number.

684472503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 684472503 - 2¹ = 684472501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684472501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797325 + ... + 798182.

It is an arithmetic number, because the mean of its divisors is an integer number (67011336).

Almost surely, 2^684472503 is an apocalyptic number.

684472503 is a deficient number, since it is larger than the sum of its proper divisors (387708873).

684472503 is a wasteful number, since it uses less digits than its factorization.

684472503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595534.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 684472503 is about 26162.4254036204. The cubic root of 684472503 is about 881.2896479119.

The spelling of 684472503 in words is "six hundred eighty-four million, four hundred seventy-two thousand, five hundred three".