71836477066 has 8 divisors (see below), whose sum is σ = 113426016480. Its totient is φ = 34027804908.

The previous prime is 71836477033. The next prime is 71836477087. The reversal of 71836477066 is 66077463817.

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

It is a junction number, because it is equal to n+sod(n) for n = 71836476998 and 71836477016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945216766 + ... + 945216841.

It is an arithmetic number, because the mean of its divisors is an integer number (14178252060).

Almost surely, 2^71836477066 is an apocalyptic number.

71836477066 is a deficient number, since it is larger than the sum of its proper divisors (41589539414).

71836477066 is a wasteful number, since it uses less digits than its factorization.

71836477066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890433628.

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 71836477066 in words is "seventy-one billion, eight hundred thirty-six million, four hundred seventy-seven thousand, sixty-six".