578671760 has 20 divisors (see below), whose sum is σ = 1345412028. Its totient is φ = 231468672.

The previous prime is 578671759. The next prime is 578671763. The reversal of 578671760 is 67176875.

It can be written as a sum of positive squares in 2 ways, for example, as 217975696 + 360696064 = 14764^2 + 18992^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×578671760² = 669722011642995200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (578671763) 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, 3616619 + ... + 3616778.

Almost surely, 2^578671760 is an apocalyptic number.

It is an amenable number.

578671760 is an abundant number, since it is smaller than the sum of its proper divisors (766740268).

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

578671760 is a wasteful number, since it uses less digits than its factorization.

578671760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233410 (or 7233404 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 578671760 is about 24055.5972696585. The cubic root of 578671760 is about 833.3180000734.

The spelling of 578671760 in words is "five hundred seventy-eight million, six hundred seventy-one thousand, seven hundred sixty".