7054489728 has 576 divisors, whose sum is σ = 25554274200. Its totient is φ = 1849098240.

The previous prime is 7054489679. The next prime is 7054489751. The reversal of 7054489728 is 8279844507.

It is a happy number.

7054489728 is a `hidden beast` number, since 7 + 0 + 544 + 8 + 97 + 2 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6828047424 + 226442304 = 82632^2 + 15048^2 .

It is a tau number, because it is divible by the number of its divisors (576).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30805518 + ... + 30805746.

Almost surely, 2^7054489728 is an apocalyptic number.

7054489728 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7054489728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12777137100).

7054489728 is an abundant number, since it is smaller than the sum of its proper divisors (18499784472).

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

7054489728 is a wasteful number, since it uses less digits than its factorization.

7054489728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The square root of 7054489728 is about 83991.0098046214. The cubic root of 7054489728 is about 1917.8819351307.

The spelling of 7054489728 in words is "seven billion, fifty-four million, four hundred eighty-nine thousand, seven hundred twenty-eight".