71280875 has 16 divisors (see below), whose sum is σ = 93643680. Its totient is φ = 54021600.

The previous prime is 71280871. The next prime is 71280931. The reversal of 71280875 is 57808217.

It is not a de Polignac number, because 71280875 - 2² = 71280871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71280871) 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, 12632 + ... + 17381.

It is an arithmetic number, because the mean of its divisors is an integer number (5852730).

Almost surely, 2^71280875 is an apocalyptic number.

71280875 is a deficient number, since it is larger than the sum of its proper divisors (22362805).

71280875 is a wasteful number, since it uses less digits than its factorization.

71280875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30047 (or 30037 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 71280875 is about 8442.8001871417. The cubic root of 71280875 is about 414.6270903763.

The spelling of 71280875 in words is "seventy-one million, two hundred eighty thousand, eight hundred seventy-five".