71705995 has 8 divisors (see below), whose sum is σ = 86098320. Its totient is φ = 57330720.

The previous prime is 71705993. The next prime is 71705999. The reversal of 71705995 is 59950717.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71705995 - 2¹ = 71705993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71705993) 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 7 ways as a sum of consecutive naturals, for example, 8440 + ... + 14650.

It is an arithmetic number, because the mean of its divisors is an integer number (10762290).

Almost surely, 2^71705995 is an apocalyptic number.

71705995 is a deficient number, since it is larger than the sum of its proper divisors (14392325).

71705995 is a wasteful number, since it uses less digits than its factorization.

71705995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8525.

The product of its (nonzero) digits is 99225, while the sum is 43.

The square root of 71705995 is about 8467.9392416337. The cubic root of 71705995 is about 415.4497374378.

The spelling of 71705995 in words is "seventy-one million, seven hundred five thousand, nine hundred ninety-five".