683493747 has 8 divisors (see below), whose sum is σ = 912211344. Its totient is φ = 455219328.

The previous prime is 683493743. The next prime is 683493791. The reversal of 683493747 is 747394386.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 683493747 - 2² = 683493743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 683493747.

It is not an unprimeable number, because it can be changed into a prime (683493743) 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, 107178 + ... + 113375.

It is an arithmetic number, because the mean of its divisors is an integer number (114026418).

Almost surely, 2^683493747 is an apocalyptic number.

683493747 is a deficient number, since it is larger than the sum of its proper divisors (228717597).

683493747 is a wasteful number, since it uses less digits than its factorization.

683493747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221589.

The product of its digits is 3048192, while the sum is 51.

The square root of 683493747 is about 26143.7133360967. The cubic root of 683493747 is about 880.8693831609.

The spelling of 683493747 in words is "six hundred eighty-three million, four hundred ninety-three thousand, seven hundred forty-seven".