674427473 has 4 divisors (see below), whose sum is σ = 674851380. Its totient is φ = 674003568.

The previous prime is 674427421. The next prime is 674427497. The reversal of 674427473 is 374724476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 306670144 + 367757329 = 17512^2 + 19177^2 .

It is a cyclic number.

It is not a de Polignac number, because 674427473 - 2¹⁰ = 674426449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674424473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209558 + ... + 212751.

It is an arithmetic number, because the mean of its divisors is an integer number (168712845).

Almost surely, 2^674427473 is an apocalyptic number.

It is an amenable number.

674427473 is a deficient number, since it is larger than the sum of its proper divisors (423907).

674427473 is a wasteful number, since it uses less digits than its factorization.

674427473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423906.

The product of its digits is 790272, while the sum is 44.

The square root of 674427473 is about 25969.7414888943. The cubic root of 674427473 is about 876.9572395915.

The spelling of 674427473 in words is "six hundred seventy-four million, four hundred twenty-seven thousand, four hundred seventy-three".