671473724 has 12 divisors (see below), whose sum is σ = 1202406744. Its totient is φ = 327928944.

The previous prime is 671473703. The next prime is 671473727. The reversal of 671473724 is 427374176.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671473727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951787 + ... + 1952130.

It is an arithmetic number, because the mean of its divisors is an integer number (100200562).

Almost surely, 2^671473724 is an apocalyptic number.

It is an amenable number.

671473724 is a deficient number, since it is larger than the sum of its proper divisors (530933020).

671473724 is a wasteful number, since it uses less digits than its factorization.

671473724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903964 (or 3903962 counting only the distinct ones).

The product of its digits is 197568, while the sum is 41.

The square root of 671473724 is about 25912.8100367367. The cubic root of 671473724 is about 875.6751139148.

The spelling of 671473724 in words is "six hundred seventy-one million, four hundred seventy-three thousand, seven hundred twenty-four".