674565147 has 6 divisors (see below), whose sum is σ = 974371892. Its totient is φ = 449710092.

The previous prime is 674565131. The next prime is 674565161. The reversal of 674565147 is 741565476.

674565147 is a `hidden beast` number, since 6 + 74 + 565 + 14 + 7 = 666.

It is not a de Polignac number, because 674565147 - 2⁴ = 674565131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674565127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37475833 + ... + 37475850.

Almost surely, 2^674565147 is an apocalyptic number.

674565147 is a deficient number, since it is larger than the sum of its proper divisors (299806745).

674565147 is a wasteful number, since it uses less digits than its factorization.

674565147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74951689 (or 74951686 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 674565147 is about 25972.3920153689. The cubic root of 674565147 is about 877.0169079777.

The spelling of 674565147 in words is "six hundred seventy-four million, five hundred sixty-five thousand, one hundred forty-seven".