731201071667 has 4 divisors (see below), whose sum is σ = 797673896376. Its totient is φ = 664728246960.

The previous prime is 731201071619. The next prime is 731201071681. The reversal of 731201071667 is 766170102137.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 731201071667 - 2⁶ = 731201071603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731201071687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33236412338 + ... + 33236412359.

It is an arithmetic number, because the mean of its divisors is an integer number (199418474094).

Almost surely, 2^731201071667 is an apocalyptic number.

731201071667 is a deficient number, since it is larger than the sum of its proper divisors (66472824709).

731201071667 is a wasteful number, since it uses less digits than its factorization.

731201071667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66472824708.

The product of its (nonzero) digits is 74088, while the sum is 41.

The spelling of 731201071667 in words is "seven hundred thirty-one billion, two hundred one million, seventy-one thousand, six hundred sixty-seven".