81714275 has 6 divisors (see below), whose sum is σ = 101325732. Its totient is φ = 65371400.

The previous prime is 81714211. The next prime is 81714277. The reversal of 81714275 is 57241718.

It is not a de Polignac number, because 81714275 - 2⁶ = 81714211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (81714277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1634261 + ... + 1634310.

It is an arithmetic number, because the mean of its divisors is an integer number (16887622).

Almost surely, 2^81714275 is an apocalyptic number.

81714275 is a deficient number, since it is larger than the sum of its proper divisors (19611457).

81714275 is a wasteful number, since it uses less digits than its factorization.

81714275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268581 (or 3268576 counting only the distinct ones).

The product of its digits is 15680, while the sum is 35.

The square root of 81714275 is about 9039.5948471157. The cubic root of 81714275 is about 433.9429568894.

The spelling of 81714275 in words is "eighty-one million, seven hundred fourteen thousand, two hundred seventy-five".