71966395 has 16 divisors (see below), whose sum is σ = 92010240. Its totient is φ = 53879904.

The previous prime is 71966387. The next prime is 71966417. The reversal of 71966395 is 59366917.

It is a cyclic number.

It is not a de Polignac number, because 71966395 - 2³ = 71966387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3322 + ... + 12448.

It is an arithmetic number, because the mean of its divisors is an integer number (5750640).

Almost surely, 2^71966395 is an apocalyptic number.

71966395 is a deficient number, since it is larger than the sum of its proper divisors (20043845).

71966395 is a wasteful number, since it uses less digits than its factorization.

71966395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9234.

The product of its digits is 306180, while the sum is 46.

The square root of 71966395 is about 8483.3009495125. The cubic root of 71966395 is about 415.9520311892.

It can be divided in two parts, 71966 and 395, that added together give a square (72361 = 269²).

The spelling of 71966395 in words is "seventy-one million, nine hundred sixty-six thousand, three hundred ninety-five".