604523780 has 60 divisors (see below), whose sum is σ = 1481112780. Its totient is φ = 207248832.

The previous prime is 604523767. The next prime is 604523809. The reversal of 604523780 is 87325406.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 122633476 + 481890304 = 11074^2 + 21952^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 604523780.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41726 + ... + 54314.

It is an arithmetic number, because the mean of its divisors is an integer number (24685213).

Almost surely, 2^604523780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 604523780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740556390).

604523780 is an abundant number, since it is smaller than the sum of its proper divisors (876589000).

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

604523780 is a wasteful number, since it uses less digits than its factorization.

604523780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626 (or 12603 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 604523780 is about 24587.0652986484. The cubic root of 604523780 is about 845.5470845358.

The spelling of 604523780 in words is "six hundred four million, five hundred twenty-three thousand, seven hundred eighty".