7289660286720 has 648 divisors, whose sum is σ = 30883472277840. Its totient is φ = 1578510581760.

The previous prime is 7289660286707. The next prime is 7289660286749. The reversal of 7289660286720 is 276820669827.

7289660286720 is a `hidden beast` number, since 7 + 289 + 6 + 6 + 0 + 286 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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, 10385280 + ... + 11064960.

Almost surely, 2^{7289660286720} is an apocalyptic number.

7289660286720 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 7289660286720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15441736138920).

7289660286720 is an abundant number, since it is smaller than the sum of its proper divisors (23593811991120).

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

7289660286720 is a wasteful number, since it uses less digits than its factorization.

7289660286720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679741 (or 679717 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 7289660286720 in words is "seven trillion, two hundred eighty-nine billion, six hundred sixty million, two hundred eighty-six thousand, seven hundred twenty".