671575625744 has 20 divisors (see below), whose sum is σ = 1331437724496. Its totient is φ = 327978793632.

The previous prime is 671575625737. The next prime is 671575625761. The reversal of 671575625744 is 447526575176.

It is a happy number.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

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, 488062994 + ... + 488064369.

Almost surely, 2^671575625744 is an apocalyptic number.

It is an amenable number.

671575625744 is a deficient number, since it is larger than the sum of its proper divisors (659862098752).

671575625744 is a wasteful number, since it uses less digits than its factorization.

671575625744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976127414 (or 976127408 counting only the distinct ones).

The product of its digits is 49392000, while the sum is 59.

The spelling of 671575625744 in words is "six hundred seventy-one billion, five hundred seventy-five million, six hundred twenty-five thousand, seven hundred forty-four".