71132355 has 48 divisors (see below), whose sum is σ = 141645504. Its totient is φ = 32348160.

The previous prime is 71132339. The next prime is 71132357. The reversal of 71132355 is 55323117.

It is a Cunningham number, because it is equal to 8434²-1.

It is not a de Polignac number, because 71132355 - 2⁴ = 71132339 is a prime.

It is a super-3 number, since 3×71132355³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (71132357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75447 + ... + 76383.

It is an arithmetic number, because the mean of its divisors is an integer number (2950948).

Almost surely, 2^71132355 is an apocalyptic number.

71132355 is a deficient number, since it is larger than the sum of its proper divisors (70513149).

71132355 is a wasteful number, since it uses less digits than its factorization.

71132355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1193 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 71132355 is about 8433.9999407161. Note that the first 4 decimals coincide. The cubic root of 71132355 is about 414.3389194167.

The spelling of 71132355 in words is "seventy-one million, one hundred thirty-two thousand, three hundred fifty-five".