71576090 has 8 divisors (see below), whose sum is σ = 128836980. Its totient is φ = 28630432.

The previous prime is 71576081. The next prime is 71576107. The reversal of 71576090 is 9067517.

It can be written as a sum of positive squares in 2 ways, for example, as 70341769 + 1234321 = 8387^2 + 1111^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 71576090.

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, 3578795 + ... + 3578814.

Almost surely, 2^71576090 is an apocalyptic number.

71576090 is a deficient number, since it is larger than the sum of its proper divisors (57260890).

71576090 is a wasteful number, since it uses less digits than its factorization.

71576090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157616.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 71576090 is about 8460.2653622685. The cubic root of 71576090 is about 415.1987048629.

The spelling of 71576090 in words is "seventy-one million, five hundred seventy-six thousand, ninety".