671420546 has 8 divisors (see below), whose sum is σ = 1009405584. Its totient is φ = 334952020.

The previous prime is 671420543. The next prime is 671420597. The reversal of 671420546 is 645024176.

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

It is not an unprimeable number, because it can be changed into a prime (671420543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378020 + ... + 379791.

It is an arithmetic number, because the mean of its divisors is an integer number (126175698).

Almost surely, 2^671420546 is an apocalyptic number.

671420546 is a deficient number, since it is larger than the sum of its proper divisors (337985038).

671420546 is a wasteful number, since it uses less digits than its factorization.

671420546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758256.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 671420546 is about 25911.7839216060. The cubic root of 671420546 is about 875.6519966634.

The spelling of 671420546 in words is "six hundred seventy-one million, four hundred twenty thousand, five hundred forty-six".