674394373 has 4 divisors (see below), whose sum is σ = 674480268. Its totient is φ = 674308480.

The previous prime is 674394337. The next prime is 674394439. The reversal of 674394373 is 373493476.

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 307020484 + 367373889 = 17522^2 + 19167^2 .

It is a cyclic number.

It is not a de Polignac number, because 674394373 - 2¹⁷ = 674263301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674394673) 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, 29836 + ... + 47317.

It is an arithmetic number, because the mean of its divisors is an integer number (168620067).

Almost surely, 2^674394373 is an apocalyptic number.

It is an amenable number.

674394373 is a deficient number, since it is larger than the sum of its proper divisors (85895).

674394373 is an equidigital number, since it uses as much as digits as its factorization.

674394373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85894.

The product of its digits is 1143072, while the sum is 46.

The square root of 674394373 is about 25969.1042009539. The cubic root of 674394373 is about 876.9428927266.

The spelling of 674394373 in words is "six hundred seventy-four million, three hundred ninety-four thousand, three hundred seventy-three".