71690395 has 16 divisors (see below), whose sum is σ = 98876160. Its totient is φ = 48880224.

The previous prime is 71690393. The next prime is 71690413. The reversal of 71690395 is 59309617.

It is a cyclic number.

It is not a de Polignac number, because 71690395 - 2¹ = 71690393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71690393) 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 15 ways as a sum of consecutive naturals, for example, 544 + ... + 11986.

It is an arithmetic number, because the mean of its divisors is an integer number (6179760).

Almost surely, 2^71690395 is an apocalyptic number.

71690395 is a deficient number, since it is larger than the sum of its proper divisors (27185765).

71690395 is a wasteful number, since it uses less digits than its factorization.

71690395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11634.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 71690395 is about 8467.0180701354. The cubic root of 71690395 is about 415.4196075258.

The spelling of 71690395 in words is "seventy-one million, six hundred ninety thousand, three hundred ninety-five".