71690095 has 4 divisors (see below), whose sum is σ = 86028120. Its totient is φ = 57352072.

The previous prime is 71690083. The next prime is 71690111. The reversal of 71690095 is 59009617.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71690095 is a prime.

It is a super-2 number, since 2×71690095² = 10278939442218050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7169005 + ... + 7169014.

It is an arithmetic number, because the mean of its divisors is an integer number (21507030).

Almost surely, 2^71690095 is an apocalyptic number.

71690095 is a deficient number, since it is larger than the sum of its proper divisors (14338025).

71690095 is a wasteful number, since it uses less digits than its factorization.

71690095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14338024.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 71690095 is about 8467.0003543168. Note that the first 3 decimals coincide. The cubic root of 71690095 is about 415.4190280616.

The spelling of 71690095 in words is "seventy-one million, six hundred ninety thousand, ninety-five".