683220707 has 4 divisors (see below), whose sum is σ = 735776160. Its totient is φ = 630665256.

The previous prime is 683220697. The next prime is 683220709. The reversal of 683220707 is 707022386.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 683220707 - 2⁴ = 683220691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (683220709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26277707 + ... + 26277732.

It is an arithmetic number, because the mean of its divisors is an integer number (183944040).

Almost surely, 2^683220707 is an apocalyptic number.

683220707 is a deficient number, since it is larger than the sum of its proper divisors (52555453).

683220707 is a wasteful number, since it uses less digits than its factorization.

683220707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52555452.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 683220707 is about 26138.4909090024. The cubic root of 683220707 is about 880.7520718658.

The spelling of 683220707 in words is "six hundred eighty-three million, two hundred twenty thousand, seven hundred seven".