547973280 has 144 divisors (see below), whose sum is σ = 1876361760. Its totient is φ = 145626624.

The previous prime is 547973263. The next prime is 547973303. The reversal of 547973280 is 82379745.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 637491 + ... + 638349.

It is an arithmetic number, because the mean of its divisors is an integer number (13030290).

Almost surely, 2^547973280 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 547973280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938180880).

547973280 is an abundant number, since it is smaller than the sum of its proper divisors (1328388480).

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

547973280 is a wasteful number, since it uses less digits than its factorization.

547973280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 547973280 is about 23408.8291035669. The cubic root of 547973280 is about 818.3136471755.

The spelling of 547973280 in words is "five hundred forty-seven million, nine hundred seventy-three thousand, two hundred eighty".