573440427 has 12 divisors (see below), whose sum is σ = 946631920. Its totient is φ = 327680208.

The previous prime is 573440419. The next prime is 573440431. The reversal of 573440427 is 724044375.

573440427 is a `hidden beast` number, since 573 + 4 + 40 + 42 + 7 = 666.

It is not a de Polignac number, because 573440427 - 2³ = 573440419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 573440391 and 573440400.

It is not an unprimeable number, because it can be changed into a prime (573440407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4551052 + ... + 4551177.

Almost surely, 2^573440427 is an apocalyptic number.

573440427 is a deficient number, since it is larger than the sum of its proper divisors (373191493).

573440427 is a wasteful number, since it uses less digits than its factorization.

573440427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9102242 (or 9102239 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 573440427 is about 23946.6161910196. The cubic root of 573440427 is about 830.7992625085.

The spelling of 573440427 in words is "five hundred seventy-three million, four hundred forty thousand, four hundred twenty-seven".