7161720275 has 12 divisors (see below), whose sum is σ = 8881593000. Its totient is φ = 5728692480.

The previous prime is 7161720239. The next prime is 7161720277. The reversal of 7161720275 is 5720271617.

It is not a de Polignac number, because 7161720275 - 2⁶ = 7161720211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7161720277) 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, 357731 + ... + 377219.

It is an arithmetic number, because the mean of its divisors is an integer number (740132750).

Almost surely, 2^7161720275 is an apocalyptic number.

7161720275 is a deficient number, since it is larger than the sum of its proper divisors (1719872725).

7161720275 is a wasteful number, since it uses less digits than its factorization.

7161720275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34198 (or 34193 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 7161720275 is about 84626.9476880739. The cubic root of 7161720275 is about 1927.5505876570.

The spelling of 7161720275 in words is "seven billion, one hundred sixty-one million, seven hundred twenty thousand, two hundred seventy-five".