547728242 has 16 divisors (see below), whose sum is σ = 844418520. Its totient is φ = 266266368.

The previous prime is 547728241. The next prime is 547728277. The reversal of 547728242 is 242827745.

It can be written as a sum of positive squares in 4 ways, for example, as 433430761 + 114297481 = 20819^2 + 10691^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 547728242.

It is not an unprimeable number, because it can be changed into a prime (547728241) 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, 191648 + ... + 194484.

Almost surely, 2^547728242 is an apocalyptic number.

547728242 is a deficient number, since it is larger than the sum of its proper divisors (296690278).

547728242 is a wasteful number, since it uses less digits than its factorization.

547728242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5485.

The product of its digits is 250880, while the sum is 41.

The square root of 547728242 is about 23403.5946384311. The cubic root of 547728242 is about 818.1916534927.

The spelling of 547728242 in words is "five hundred forty-seven million, seven hundred twenty-eight thousand, two hundred forty-two".