605470820 has 12 divisors (see below), whose sum is σ = 1271488764. Its totient is φ = 242188320.

The previous prime is 605470819. The next prime is 605470823. The reversal of 605470820 is 28074506.

It can be written as a sum of positive squares in 2 ways, for example, as 251729956 + 353740864 = 15866^2 + 18808^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (605470823) 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, 15136751 + ... + 15136790.

It is an arithmetic number, because the mean of its divisors is an integer number (105957397).

Almost surely, 2^605470820 is an apocalyptic number.

It is an amenable number.

605470820 is an abundant number, since it is smaller than the sum of its proper divisors (666017944).

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

605470820 is a wasteful number, since it uses less digits than its factorization.

605470820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30273550 (or 30273548 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 605470820 is about 24606.3166686930. The cubic root of 605470820 is about 845.9883956105.

The spelling of 605470820 in words is "six hundred five million, four hundred seventy thousand, eight hundred twenty".