7447906368 has 448 divisors, whose sum is σ = 27505152000. Its totient is φ = 1926955008.

The previous prime is 7447906343. The next prime is 7447906381. The reversal of 7447906368 is 8636097447.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5285248 + ... + 5286656.

Almost surely, 2^7447906368 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 7447906368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13752576000).

7447906368 is an abundant number, since it is smaller than the sum of its proper divisors (20057245632).

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

7447906368 is a wasteful number, since it uses less digits than its factorization.

7447906368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The square root of 7447906368 is about 86301.2535714285. The cubic root of 7447906368 is about 1952.8912943475.

The spelling of 7447906368 in words is "seven billion, four hundred forty-seven million, nine hundred six thousand, three hundred sixty-eight".