573321642 has 16 divisors (see below), whose sum is σ = 1151697312. Its totient is φ = 190264880.

The previous prime is 573321641. The next prime is 573321643. The reversal of 573321642 is 246123375.

It is an interprime number because it is at equal distance from previous prime (573321641) and next prime (573321643).

It is not an unprimeable number, because it can be changed into a prime (573321641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209109 + ... + 211832.

It is an arithmetic number, because the mean of its divisors is an integer number (71981082).

Almost surely, 2^573321642 is an apocalyptic number.

573321642 is an abundant number, since it is smaller than the sum of its proper divisors (578375670).

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

573321642 is a wasteful number, since it uses less digits than its factorization.

573321642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421173.

The product of its digits is 30240, while the sum is 33.

The square root of 573321642 is about 23944.1358582848. The cubic root of 573321642 is about 830.7418933958.

The spelling of 573321642 in words is "five hundred seventy-three million, three hundred twenty-one thousand, six hundred forty-two".