71122275 has 54 divisors (see below), whose sum is σ = 148208892. Its totient is φ = 32508000.

The previous prime is 71122273. The next prime is 71122283. The reversal of 71122275 is 57222117.

It is not a de Polignac number, because 71122275 - 2¹ = 71122273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71122273) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 7800 + ... + 14250.

Almost surely, 2^71122275 is an apocalyptic number.

71122275 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

71122275 is an abundant number, since it is smaller than the sum of its proper divisors (77086617).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71122275 is a wasteful number, since it uses less digits than its factorization.

71122275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6481 (or 6466 counting only the distinct ones).

The product of its digits is 1960, while the sum is 27.

The square root of 71122275 is about 8433.4023383211. The cubic root of 71122275 is about 414.3193468251.

The spelling of 71122275 in words is "seventy-one million, one hundred twenty-two thousand, two hundred seventy-five".