683078020 has 48 divisors (see below), whose sum is σ = 1520996400. Its totient is φ = 256794624.

The previous prime is 683077981. The next prime is 683078021. The reversal of 683078020 is 20870386.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 84492864 + 598585156 = 9192^2 + 24466^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (683078021) 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, 440206 + ... + 441754.

It is an arithmetic number, because the mean of its divisors is an integer number (31687425).

Almost surely, 2^683078020 is an apocalyptic number.

It is an amenable number.

683078020 is an abundant number, since it is smaller than the sum of its proper divisors (837918380).

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

683078020 is a wasteful number, since it uses less digits than its factorization.

683078020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872 (or 2870 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 683078020 is about 26135.7613242852. The cubic root of 683078020 is about 880.6907541397.

The spelling of 683078020 in words is "six hundred eighty-three million, seventy-eight thousand, twenty".