674489667 has 4 divisors (see below), whose sum is σ = 899319560. Its totient is φ = 449659776.

The previous prime is 674489657. The next prime is 674489677. The reversal of 674489667 is 766984476.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (674489657) and next prime (674489677).

It is not a de Polignac number, because 674489667 - 2⁸ = 674489411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674489617) 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, 112414942 + ... + 112414947.

It is an arithmetic number, because the mean of its divisors is an integer number (224829890).

Almost surely, 2^674489667 is an apocalyptic number.

674489667 is a deficient number, since it is larger than the sum of its proper divisors (224829893).

674489667 is a wasteful number, since it uses less digits than its factorization.

674489667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224829892.

The product of its digits is 12192768, while the sum is 57.

The square root of 674489667 is about 25970.9388933092. The cubic root of 674489667 is about 876.9841956910.

The spelling of 674489667 in words is "six hundred seventy-four million, four hundred eighty-nine thousand, six hundred sixty-seven".