674614509 has 4 divisors (see below), whose sum is σ = 899486016. Its totient is φ = 449743004.

The previous prime is 674614489. The next prime is 674614531. The reversal of 674614509 is 905416476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 674614509 - 2⁵ = 674614477 is a prime.

It is a super-2 number, since 2×674614509² = 910209471506622162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674613509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112435749 + ... + 112435754.

It is an arithmetic number, because the mean of its divisors is an integer number (224871504).

Almost surely, 2^674614509 is an apocalyptic number.

It is an amenable number.

674614509 is a deficient number, since it is larger than the sum of its proper divisors (224871507).

674614509 is a wasteful number, since it uses less digits than its factorization.

674614509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224871506.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 674614509 is about 25973.3422762647. The cubic root of 674614509 is about 877.0382996613.

The spelling of 674614509 in words is "six hundred seventy-four million, six hundred fourteen thousand, five hundred nine".