71880673 has 4 divisors (see below), whose sum is σ = 72115120. Its totient is φ = 71646228.

The previous prime is 71880637. The next prime is 71880797. The reversal of 71880673 is 37608817.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71880673 - 2⁹ = 71880161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71880623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116763 + ... + 117376.

It is an arithmetic number, because the mean of its divisors is an integer number (18028780).

Almost surely, 2^71880673 is an apocalyptic number.

It is an amenable number.

71880673 is a deficient number, since it is larger than the sum of its proper divisors (234447).

71880673 is a wasteful number, since it uses less digits than its factorization.

71880673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234446.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 71880673 is about 8478.2470475919. The cubic root of 71880673 is about 415.7868133049.

The spelling of 71880673 in words is "seventy-one million, eight hundred eighty thousand, six hundred seventy-three".