71661346 has 8 divisors (see below), whose sum is σ = 107528400. Its totient is φ = 35818548.

The previous prime is 71661329. The next prime is 71661361. The reversal of 71661346 is 64316617.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6685 + ... + 13711.

It is an arithmetic number, because the mean of its divisors is an integer number (13441050).

Almost surely, 2^71661346 is an apocalyptic number.

71661346 is a deficient number, since it is larger than the sum of its proper divisors (35867054).

71661346 is a wasteful number, since it uses less digits than its factorization.

71661346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12128.

The product of its digits is 18144, while the sum is 34.

The square root of 71661346 is about 8465.3024753992. The cubic root of 71661346 is about 415.3634905035.

The spelling of 71661346 in words is "seventy-one million, six hundred sixty-one thousand, three hundred forty-six".