671742662 has 8 divisors (see below), whose sum is σ = 1007770296. Its totient is φ = 335819232.

The previous prime is 671742661. The next prime is 671742679. The reversal of 671742662 is 266247176.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671742661) 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, 7208 + ... + 37355.

It is an arithmetic number, because the mean of its divisors is an integer number (125971287).

Almost surely, 2^671742662 is an apocalyptic number.

671742662 is a deficient number, since it is larger than the sum of its proper divisors (336027634).

671742662 is a wasteful number, since it uses less digits than its factorization.

671742662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52102.

The product of its digits is 169344, while the sum is 41.

The square root of 671742662 is about 25917.9988039200. The cubic root of 671742662 is about 875.7920064906.

The spelling of 671742662 in words is "six hundred seventy-one million, seven hundred forty-two thousand, six hundred sixty-two".