71866823002 has 32 divisors (see below), whose sum is σ = 116792831232. Its totient is φ = 32969830464.

The previous prime is 71866822997. The next prime is 71866823023. The reversal of 71866823002 is 20032866817.

It is a self number, because there is not a number n which added to its sum of digits gives 71866823002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2917128 + ... + 2941660.

It is an arithmetic number, because the mean of its divisors is an integer number (3649775976).

Almost surely, 2^71866823002 is an apocalyptic number.

71866823002 is a deficient number, since it is larger than the sum of its proper divisors (44926008230).

71866823002 is a wasteful number, since it uses less digits than its factorization.

71866823002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25222.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 71866823002 in words is "seventy-one billion, eight hundred sixty-six million, eight hundred twenty-three thousand, two".