7447016747720 has 256 divisors, whose sum is σ = 19471415040000. Its totient is φ = 2534812600320.

The previous prime is 7447016747657. The next prime is 7447016747767. The reversal of 7447016747720 is 277476107447.

It is a super-2 number, since 2×7447016747720² (a number of 27 digits) contains 22 as substring.

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, 1374239171 + ... + 1374244589.

It is an arithmetic number, because the mean of its divisors is an integer number (76060215000).

Almost surely, 2^{7447016747720} 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 7447016747720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9735707520000).

7447016747720 is an abundant number, since it is smaller than the sum of its proper divisors (12024398292280).

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

7447016747720 is a wasteful number, since it uses less digits than its factorization.

7447016747720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7396 (or 7392 counting only the distinct ones).

The product of its (nonzero) digits is 12907776, while the sum is 56.

The spelling of 7447016747720 in words is "seven trillion, four hundred forty-seven billion, sixteen million, seven hundred forty-seven thousand, seven hundred twenty".