549349672 has 8 divisors (see below), whose sum is σ = 1030030650. Its totient is φ = 274674832.

The previous prime is 549349651. The next prime is 549349709. The reversal of 549349672 is 276943945.

It can be written as a sum of positive squares in only one way, i.e., 463713156 + 85636516 = 21534^2 + 9254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34334347 + ... + 34334362.

Almost surely, 2^549349672 is an apocalyptic number.

It is an amenable number.

549349672 is a deficient number, since it is larger than the sum of its proper divisors (480680978).

549349672 is a wasteful number, since it uses less digits than its factorization.

549349672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68668715 (or 68668711 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 49.

The square root of 549349672 is about 23438.2096585895. The cubic root of 549349672 is about 818.9982174437.

The spelling of 549349672 in words is "five hundred forty-nine million, three hundred forty-nine thousand, six hundred seventy-two".