563721474 has 16 divisors (see below), whose sum is σ = 1127679840. Its totient is φ = 187867680.

The previous prime is 563721449. The next prime is 563721497. The reversal of 563721474 is 474127365.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42189 + ... + 53919.

It is an arithmetic number, because the mean of its divisors is an integer number (70479990).

Almost surely, 2^563721474 is an apocalyptic number.

563721474 is an abundant number, since it is smaller than the sum of its proper divisors (563958366).

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

563721474 is a wasteful number, since it uses less digits than its factorization.

563721474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19745.

The product of its digits is 141120, while the sum is 39.

The square root of 563721474 is about 23742.8194197741. The cubic root of 563721474 is about 826.0788940623.

The spelling of 563721474 in words is "five hundred sixty-three million, seven hundred twenty-one thousand, four hundred seventy-four".