7296989903280 has 720 divisors, whose sum is σ = 31217813932032. Its totient is φ = 1494893030400.

The previous prime is 7296989903257. The next prime is 7296989903299. The reversal of 7296989903280 is 823099896927.

7296989903280 is a `hidden beast` number, since 7 + 296 + 9 + 8 + 9 + 9 + 0 + 328 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 7296989903199 and 7296989903208.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 43214377 + ... + 43382903.

Almost surely, 2^{7296989903280} is an apocalyptic number.

7296989903280 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 7296989903280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15608906966016).

7296989903280 is an abundant number, since it is smaller than the sum of its proper divisors (23920824028752).

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

7296989903280 is a wasteful number, since it uses less digits than its factorization.

7296989903280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168646 (or 168626 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 72.

The spelling of 7296989903280 in words is "seven trillion, two hundred ninety-six billion, nine hundred eighty-nine million, nine hundred three thousand, two hundred eighty".