71500006 has 8 divisors (see below), whose sum is σ = 107723160. Its totient is φ = 35592288.

The previous prime is 71499973. The next prime is 71500007. The reversal of 71500006 is 60000517.

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

It is a super-2 number, since 2×71500006² = 10224501716000072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71500007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78291 + ... + 79198.

It is an arithmetic number, because the mean of its divisors is an integer number (13465395).

Almost surely, 2^71500006 is an apocalyptic number.

71500006 is a deficient number, since it is larger than the sum of its proper divisors (36223154).

71500006 is a wasteful number, since it uses less digits than its factorization.

71500006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157718.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 71500006 is about 8455.7676174313. The cubic root of 71500006 is about 415.0515366393.

The spelling of 71500006 in words is "seventy-one million, five hundred thousand, six".