71676510909 has 32 divisors (see below), whose sum is σ = 99334356480. Its totient is φ = 45939648000.

The previous prime is 71676510887. The next prime is 71676510911. The reversal of 71676510909 is 90901567617.

It is not a de Polignac number, because 71676510909 - 2⁵ = 71676510877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71676510979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6953059 + ... + 6963359.

It is an arithmetic number, because the mean of its divisors is an integer number (3104198640).

Almost surely, 2^71676510909 is an apocalyptic number.

It is an amenable number.

71676510909 is a deficient number, since it is larger than the sum of its proper divisors (27657845571).

71676510909 is a wasteful number, since it uses less digits than its factorization.

71676510909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221.

The product of its (nonzero) digits is 714420, while the sum is 51.

The spelling of 71676510909 in words is "seventy-one billion, six hundred seventy-six million, five hundred ten thousand, nine hundred nine".