671075654 has 8 divisors (see below), whose sum is σ = 1012237560. Its totient is φ = 333663136.

The previous prime is 671075653. The next prime is 671075681. The reversal of 671075654 is 456570176.

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 (671075651) 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, 936899 + ... + 937614.

It is an arithmetic number, because the mean of its divisors is an integer number (126529695).

Almost surely, 2^671075654 is an apocalyptic number.

671075654 is a deficient number, since it is larger than the sum of its proper divisors (341161906).

671075654 is a wasteful number, since it uses less digits than its factorization.

671075654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874694.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 671075654 is about 25905.1279479566. The cubic root of 671075654 is about 875.5020374484.

The spelling of 671075654 in words is "six hundred seventy-one million, seventy-five thousand, six hundred fifty-four".