71067104040 has 64 divisors (see below), whose sum is σ = 213518347200. Its totient is φ = 18923046912.

The previous prime is 71067104039. The next prime is 71067104063. The reversal of 71067104040 is 4040176017.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 71067103989 and 71067104007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359230 + ... + 520749.

It is an arithmetic number, because the mean of its divisors is an integer number (3336224175).

Almost surely, 2^71067104040 is an apocalyptic number.

It is an amenable number.

71067104040 is an abundant number, since it is smaller than the sum of its proper divisors (142451243160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71067104040 is a wasteful number, since it uses less digits than its factorization.

71067104040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880666 (or 880662 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The spelling of 71067104040 in words is "seventy-one billion, sixty-seven million, one hundred four thousand, forty".