71067640045 has 8 divisors (see below), whose sum is σ = 87264451296. Its totient is φ = 55531923216.

The previous prime is 71067639913. The next prime is 71067640069. The reversal of 71067640045 is 54004676017.

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

It is a cyclic number.

It is not a de Polignac number, because 71067640045 - 2²³ = 71059251437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165273367 + ... + 165273796.

It is an arithmetic number, because the mean of its divisors is an integer number (10908056412).

Almost surely, 2^71067640045 is an apocalyptic number.

It is an amenable number.

71067640045 is a deficient number, since it is larger than the sum of its proper divisors (16196811251).

71067640045 is a wasteful number, since it uses less digits than its factorization.

71067640045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330547211.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 71067640045 in words is "seventy-one billion, sixty-seven million, six hundred forty thousand, forty-five".