7471127321 has 16 divisors (see below), whose sum is σ = 8867426304. Its totient is φ = 6161523984.

The previous prime is 7471127281. The next prime is 7471127327. The reversal of 7471127321 is 1237211747.

It is a de Polignac number, because none of the positive numbers 2^k-7471127321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7471127327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165065 + ... + 205398.

It is an arithmetic number, because the mean of its divisors is an integer number (554214144).

Almost surely, 2^7471127321 is an apocalyptic number.

It is an amenable number.

7471127321 is a deficient number, since it is larger than the sum of its proper divisors (1396298983).

7471127321 is a wasteful number, since it uses less digits than its factorization.

7471127321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370580.

The product of its digits is 16464, while the sum is 35.

The square root of 7471127321 is about 86435.6831464876. The cubic root of 7471127321 is about 1954.9187522569.

The spelling of 7471127321 in words is "seven billion, four hundred seventy-one million, one hundred twenty-seven thousand, three hundred twenty-one".