4720728971371 has 12 divisors (see below), whose sum is σ = 5511723938400. Its totient is φ = 4031407966320.

The previous prime is 4720728971333. The next prime is 4720728971383. The reversal of 4720728971371 is 1731798270274.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4720728971371 is a prime.

It is a super-2 number, since 2×4720728971371² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4720728971071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177738396 + ... + 177764953.

It is an arithmetic number, because the mean of its divisors is an integer number (459310328200).

Almost surely, 2^{4720728971371} is an apocalyptic number.

4720728971371 is a deficient number, since it is larger than the sum of its proper divisors (790994967029).

4720728971371 is a wasteful number, since it uses less digits than its factorization.

4720728971371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355503634 (or 355503627 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 58.

The spelling of 4720728971371 in words is "four trillion, seven hundred twenty billion, seven hundred twenty-eight million, nine hundred seventy-one thousand, three hundred seventy-one".