7045073280 has 256 divisors, whose sum is σ = 28516262400. Its totient is φ = 1610274816.

The previous prime is 7045073263. The next prime is 7045073281. The reversal of 7045073280 is 823705407.

7045073280 is a `hidden beast` number, since 70 + 4 + 507 + 3 + 2 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7045073281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91839 + ... + 150081.

It is an arithmetic number, because the mean of its divisors is an integer number (111391650).

Almost surely, 2^7045073280 is an apocalyptic number.

7045073280 is a gapful number since it is divisible by the number (70) 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 7045073280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14258131200).

7045073280 is an abundant number, since it is smaller than the sum of its proper divisors (21471189120).

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

7045073280 is a wasteful number, since it uses less digits than its factorization.

7045073280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58278 (or 58260 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 7045073280 is about 83934.9348007133. The cubic root of 7045073280 is about 1917.0282151308.

Adding to 7045073280 its reverse (823705407), we get a palindrome (7868778687).

The spelling of 7045073280 in words is "seven billion, forty-five million, seventy-three thousand, two hundred eighty".