7271697345 has 16 divisors (see below), whose sum is σ = 12692417472. Its totient is φ = 3525671360.

The previous prime is 7271697289. The next prime is 7271697379. The reversal of 7271697345 is 5437961727.

It is a happy number.

It is not a de Polignac number, because 7271697345 - 2⁹ = 7271696833 is a prime.

It is an unprimeable number.

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, 22035282 + ... + 22035611.

It is an arithmetic number, because the mean of its divisors is an integer number (793276092).

Almost surely, 2^7271697345 is an apocalyptic number.

It is an amenable number.

7271697345 is a deficient number, since it is larger than the sum of its proper divisors (5420720127).

7271697345 is a wasteful number, since it uses less digits than its factorization.

7271697345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44070912.

The product of its digits is 2222640, while the sum is 51.

The square root of 7271697345 is about 85274.2478418895. The cubic root of 7271697345 is about 1937.3671502112.

The spelling of 7271697345 in words is "seven billion, two hundred seventy-one million, six hundred ninety-seven thousand, three hundred forty-five".