71158995 has 12 divisors (see below), whose sum is σ = 123342336. Its totient is φ = 37951440.

The previous prime is 71158993. The next prime is 71158999. The reversal of 71158995 is 59985117.

It is not a de Polignac number, because 71158995 - 2¹ = 71158993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1581311 = 71158995 / (7 + 1 + 1 + 5 + 8 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 71158995.

It is not an unprimeable number, because it can be changed into a prime (71158993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 790611 + ... + 790700.

It is an arithmetic number, because the mean of its divisors is an integer number (10278528).

Almost surely, 2^71158995 is an apocalyptic number.

71158995 is a deficient number, since it is larger than the sum of its proper divisors (52183341).

71158995 is a wasteful number, since it uses less digits than its factorization.

71158995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581322 (or 1581319 counting only the distinct ones).

The product of its digits is 113400, while the sum is 45.

The square root of 71158995 is about 8435.5791146785. The cubic root of 71158995 is about 414.3906380809.

It can be divided in two parts, 7115 and 8995, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 71158995 in words is "seventy-one million, one hundred fifty-eight thousand, nine hundred ninety-five".