71351995 has 16 divisors (see below), whose sum is σ = 100592352. Its totient is φ = 47900160.

The previous prime is 71351989. The next prime is 71352023. The reversal of 71351995 is 59915317.

It is not a de Polignac number, because 71351995 - 2¹⁹ = 70827707 is a prime.

It is a super-2 number, since 2×71351995² = 10182214380960050, which contains 22 as substring.

It is a Duffinian number.

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, 49182 + ... + 50611.

It is an arithmetic number, because the mean of its divisors is an integer number (6287022).

Almost surely, 2^71351995 is an apocalyptic number.

71351995 is a deficient number, since it is larger than the sum of its proper divisors (29240357).

71351995 is a wasteful number, since it uses less digits than its factorization.

71351995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99822.

The product of its digits is 42525, while the sum is 40.

The square root of 71351995 is about 8447.0110098188. The cubic root of 71351995 is about 414.7649416436.

The spelling of 71351995 in words is "seventy-one million, three hundred fifty-one thousand, nine hundred ninety-five".