671475442 has 16 divisors (see below), whose sum is σ = 1099332000. Its totient is φ = 305062240.

The previous prime is 671475433. The next prime is 671475449. The reversal of 671475442 is 244574176.

It is a junction number, because it is equal to n+sod(n) for n = 671475395 and 671475404.

It is not an unprimeable number, because it can be changed into a prime (671475449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44934 + ... + 57982.

It is an arithmetic number, because the mean of its divisors is an integer number (68708250).

Almost surely, 2^671475442 is an apocalyptic number.

671475442 is a deficient number, since it is larger than the sum of its proper divisors (427856558).

671475442 is a wasteful number, since it uses less digits than its factorization.

671475442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15401.

The product of its digits is 188160, while the sum is 40.

The square root of 671475442 is about 25912.8431863429. The cubic root of 671475442 is about 875.6758607340.

The spelling of 671475442 in words is "six hundred seventy-one million, four hundred seventy-five thousand, four hundred forty-two".