674434045 has 4 divisors (see below), whose sum is σ = 809320860. Its totient is φ = 539547232.

The previous prime is 674434003. The next prime is 674434069. The reversal of 674434045 is 540434476.

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 401721849 + 272712196 = 20043^2 + 16514^2 .

It is a cyclic number.

It is not a de Polignac number, because 674434045 - 2⁷ = 674433917 is a prime.

It is a super-2 number, since 2×674434045² = 909722562110124050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 674433995 and 674434013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67443400 + ... + 67443409.

It is an arithmetic number, because the mean of its divisors is an integer number (202330215).

Almost surely, 2^674434045 is an apocalyptic number.

It is an amenable number.

674434045 is a deficient number, since it is larger than the sum of its proper divisors (134886815).

674434045 is a wasteful number, since it uses less digits than its factorization.

674434045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134886814.

The product of its (nonzero) digits is 161280, while the sum is 37.

The square root of 674434045 is about 25969.8680204579. The cubic root of 674434045 is about 876.9600881036.

The spelling of 674434045 in words is "six hundred seventy-four million, four hundred thirty-four thousand, forty-five".