71938195 has 16 divisors (see below), whose sum is σ = 98804160. Its totient is φ = 49256064.

The previous prime is 71938193. The next prime is 71938211. The reversal of 71938195 is 59183917.

It is a cyclic number.

It is not a de Polignac number, because 71938195 - 2¹ = 71938193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71938193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34441 + ... + 36469.

It is an arithmetic number, because the mean of its divisors is an integer number (6175260).

Almost surely, 2^71938195 is an apocalyptic number.

71938195 is a deficient number, since it is larger than the sum of its proper divisors (26865965).

71938195 is a wasteful number, since it uses less digits than its factorization.

71938195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054.

The product of its digits is 68040, while the sum is 43.

The square root of 71938195 is about 8481.6386977989. The cubic root of 71938195 is about 415.8976938849.

The spelling of 71938195 in words is "seventy-one million, nine hundred thirty-eight thousand, one hundred ninety-five".