549670720 has 84 divisors (see below), whose sum is σ = 1341493380. Its totient is φ = 214523904.

The previous prime is 549670699. The next prime is 549670733. The reversal of 549670720 is 27076945.

It can be written as a sum of positive squares in 2 ways, for example, as 79995136 + 469675584 = 8944^2 + 21672^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 591216 + ... + 592144.

Almost surely, 2^549670720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549670720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670746690).

549670720 is an abundant number, since it is smaller than the sum of its proper divisors (791822660).

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

549670720 is an equidigital number, since it uses as much as digits as its factorization.

549670720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 549670720 is about 23445.0574748709. The cubic root of 549670720 is about 819.1577312277.

The spelling of 549670720 in words is "five hundred forty-nine million, six hundred seventy thousand, seven hundred twenty".