71707673 has 8 divisors (see below), whose sum is σ = 72578688. Its totient is φ = 70840224.

The previous prime is 71707661. The next prime is 71707679. The reversal of 71707673 is 37670717.

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 71707673 - 2⁶ = 71707609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71707679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76061 + ... + 76997.

It is an arithmetic number, because the mean of its divisors is an integer number (9072336).

Almost surely, 2^71707673 is an apocalyptic number.

It is an amenable number.

71707673 is a deficient number, since it is larger than the sum of its proper divisors (871015).

71707673 is a wasteful number, since it uses less digits than its factorization.

71707673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 43218, while the sum is 38.

The square root of 71707673 is about 8468.0383206502. The cubic root of 71707673 is about 415.4529780744.

The spelling of 71707673 in words is "seventy-one million, seven hundred seven thousand, six hundred seventy-three".