7271381005 has 16 divisors (see below), whose sum is σ = 9979029504. Its totient is φ = 4982664960.

The previous prime is 7271380999. The next prime is 7271381009. The reversal of 7271381005 is 5001831727.

It is not a de Polignac number, because 7271381005 - 2⁷ = 7271380877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7271381009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19132 + ... + 122101.

It is an arithmetic number, because the mean of its divisors is an integer number (623689344).

Almost surely, 2^7271381005 is an apocalyptic number.

It is an amenable number.

7271381005 is a deficient number, since it is larger than the sum of its proper divisors (2707648499).

7271381005 is a wasteful number, since it uses less digits than its factorization.

7271381005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142716.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 7271381005 is about 85272.3929827233. The cubic root of 7271381005 is about 1937.3390561004.

The spelling of 7271381005 in words is "seven billion, two hundred seventy-one million, three hundred eighty-one thousand, five".