674168406 has 16 divisors (see below), whose sum is σ = 1351956144. Its totient is φ = 224119584.

The previous prime is 674168389. The next prime is 674168437. The reversal of 674168406 is 604861476.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148381 + ... + 152856.

It is an arithmetic number, because the mean of its divisors is an integer number (84497259).

Almost surely, 2^674168406 is an apocalyptic number.

674168406 is an abundant number, since it is smaller than the sum of its proper divisors (677787738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674168406 is a wasteful number, since it uses less digits than its factorization.

674168406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301615.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 674168406 is about 25964.7531472957. The cubic root of 674168406 is about 876.8449370403.

The spelling of 674168406 in words is "six hundred seventy-four million, one hundred sixty-eight thousand, four hundred six".